ELTEX TAU-36.IP User manual

Universal Network Terminal
TAU-72.IP
TAU-36.IP
Operation manual (03.09.2018)
Firmware version 2.18.0: SIP, H.323

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2 Universal Network Terminal TAU-72.IP/TAU-36.IP
Firmware version: 2.18.0
Linux version: 312
Media processor version: v10_23_03_15
BPU version: v20180806 (for rev. B)
BPU version: v20150928 (for v1.0-v4.0)
Factory default IP address 192.168.1.2
Username: admin
Password: rootpasswd
Firmware version
Issue data
Revisions
Version 2.18.0
03.09.2018
Added:
–Call log view via WEB;
–Call log upload via WEB and CLI;
–Connected phone indication in port testing results;
–AGC settings in subscriber profiles.
Version 2.17.2
02.07.2018
Added:
–Digest authentication when authentication via WEB;
–Network mask in firewall rules;
–Password hiding in the configuration and Web interface;
–MTU, MRU, LCP echo failure, LCP echo interval, service name
settings for PPP;
–Increasing of CLAMPMSS value for PPP;
–CLI - enhanced command list for PPPoE configuration;
–CLI - enhanced passwd command syntax;
–WEB and CLI passwords are synchronized;
–Ability to use WAN interface without IP address;
–Only caller name is available in CallerID.
Fixed:
–Scopes of MTU settings for PPP and VLAN interfaces;
–Proper termination of PPP session with the device software restart.
Version 2.17.0
02.02.2018
Added:
–Flexible authentication mode on RADIUS server;
–Change operation of functional 'F' button;
–The 'Modem' setting and service for subscriber port;
–Reserve DNS configuration in CLI;
–Ability to update firmware via FTP;
–Simultaneous processing of 43, 66 and 67 DHCP protocol options;
–Enhanced supported TR-069 parameters value.
Version 2.16.0
22.12.2017
Added:
–Output 'overload busy' tone when 500, 502, 503 and 504 SIP
response are received;
–Enhanced CLI interface supported functional.
Version 2.15.0
31.07.2017
Added:
–Diffserv parameter is replaced by DSCP;
–Current SIP proxy server control via OPTIONS requests support;
–Enhanced CLI interface supported functional;
–iftable SNMP MIB2 support.
Version 2.14.0
11.02.2017
Added:
–PPTP tunnel support;
–IPSec tunnel support;
–Firmware update art certain time (timed);
–Configuration update at certain time;
–Filtrations on MAC addresses;
–Acoustic signal parameters configuration;
–Dial plan profiles;
–Call forward to a local subscriber is fixed;
–Echo delay time configuration;
–T2 timer configuration;
–Individual Diffserv for RTP per port;
–Diffserv for RTP for subscriber profile;
–Rx AGC;
–Tx AGC;
–DNS failure is fixed.
Version 2.13.1
15.07.2015
Added:

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Universal Network Terminal TAU-72.IP/TAU-36.IP 3
–Ability to configure MTU;
–Ability to configure ports to get access via Telnet, SSH, HTTPS;
–Ability to switch to redundant proxy only by INVITE request type.
Version 2.13
28.01.2015
Added:
–Incorrect RTP/SAVP processing is fixed;
–Call decline by 500 SIP INFO request reply receiving is fixed;
–Misuse of accept header in SIP replies is fixed;
–SIP headers display via Web interface issues are fixed;
–Automatic username and password fields in Web interface filling is
fixed;
–Russified Web interface;
–Symbol '%' inputting in username, hot number, alt number,
cf_no_answer, cf_busy, cf_unconditional, cf_out_of_service
restriction;
–Response for transition to a redundant proxy is changed from 408 to
505;
–Expanding of Username and Password fields to 50 characters in SIP
profile;
–MWI service for SIP;
–Ability to change the way of static/dynamic address obtaining in
factory default configuration;
–Ability to change factory default MAC address;
–Updated files of time zones for NTP;
–Prior channel through-connecting when calling to a call group;
–Maximum amount of simultaneous Web interface users is increased
to four;
–SIP domain transmission to request URI;
–Application of Wait answer timeout for incoming calls;
–Creation of DHCP option 82.
Version 2.12
18.09.2014
Added:
–alert-info header processing;
–Multihoming mode support;
–Work behind NAT (STUN, PublicIP) support;
–CgPN/CdPN modification support with incoming calls;
–Optional depth of RURI check with incoming calls;
–Configuration and firmware update via FTP/HTTP/HTTPS support;
–Local log;
–Configurable daylight saving time support;
–Configuring the Speed/Duplex modes of switch ports.
Version 2.11
20.06.2014
Added:
–SNMP. New blocking cause support (Receiver offhook);
–WEB. Regexp dialplan modofocation:
–Processing of the ABCD symbols in regexp routing plan;
–Ability to replace S-timer by L-timer for variable symbol amount
rules in regexp routing plan;
–SNMP, WEB Increasing of the Call group amount up to 32;
–H323 processing of the status enquiry message.
Version 2.10
12.05.2014
Added:
–SIP. SIP-T support;
–SIP. Port unregistration after restart;
–SIP. Call waiting service support by Huawei algorithm;
–SNMP. Hardware version reading via SNMP;
–SNMP. Configuration of common system parameters;
–SNMP. Configuration of TCP/UDP port ranges;
–SNMP. Configuration of call limits;
–SNMP. Distinctive ringing service configuration
–Adding the 'stop dial by #' option in subscriber profile;
–'Call transfer' service control using IMS;
–Monitoring of 'Call transfer' service setted using IMS;
–Call transmission using 'Flash+4' combination;
–'Port registration delay' parameter value range is changed (ms);
–WEB. The buttons for statistics, blocking and line testing data reset
are added;
–DHCP release message transmission when the device is resetting;
–DHCP option 43 support;
–DHCP option 121 support;
–DHCP option 60 issued format control.

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4 Universal Network Terminal TAU-72.IP/TAU-36.IP
Version 2.9
11.02.2014
Added:
–Redundant DNS configuration;
–Access via WEB enable/disable;
–Configuration of the TCP port for access via WEB by HTTP;
–TR-069 protocol is realized;
–Configuration of the failure events transmission to the syslog server;
–Firewall configuration via WEB;
–Configuration of the active session support mode for operations
through NAT (SIP);
–3-way-conference startup mode on conference server (SIP) is
realized;
–Service (simulation service) management using IMS (3GPP TS
24.623) (SIP);
–RFC2833 alignment with RFC3264 recomendation (SIP);
–cpc-rus subscriber category transmission (SIP);
–Call transmission within gateway without REFER query (SIP);
–Music on hold support on G.723.1 G.729 G.726-32 codecs;
–RADIUS server usage for authentication of users administering the
device via WEB, telnet, SSH;
–Serial groups registration state monitoring (WEB, SNMP);
–IMS supply services status monitoring.
Version 2.6
28.08.2013
Added:
–Configuration of time interval between port registration;
–STP support;
–LLDP support;
–Fan control options enhancement;
–Additional parameters output in the system info section;
–SYSLOG parameters configuration via SNMP;
–Factory settings monitoring via SNMP;
–Line length recalculation in Appendix F.
Version 2.4
1.03.2013
Added:
–Call reply answer timeout.
–Routing plan regular expressions correctness review;
–Distinctive ring service configuration;
–RTCO-XR is realized;
–Unified configuration file for all settings.
Version 2.3
19.11.2012
Added:
–SIP profiles configuration;
–List of the subscriber sets supply modes;
–Subscriber profiles settings configuration via SNMP:
–Configuration of common SIP parameters.
–Specific SIP parameters' configuration.
–Codecs configuration.
–Firmware update via SNMP;
–Registration status monitoring on SIP server;
–Port blocking status monitoring;
–The 'Firewall configuration' appendix.
Removed:
–SIP-T processing configuration.
Version 2.2
02.07.2012
Added:
–Information on the current supplementary services status;
–PPPoE configuration;
–CPC configuration;
–P-RTP -stat configuration;
–Inactive media streams removing during SDP session modification.
Removed:
–SIP-T point-point processing configuration;
Version 2.1
09.02.2012
Added:
–Switch port status monitoring;
–Reserve codec/protocol usage when fax is transmitting;
–Echo cancelling with disabled non-linear NLP processor;
–Encryption key setting.
Version 2.0
02.02.2012
Added:
–Supply services configuration;
–Autoconfiguration.
Removed:

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Universal Network Terminal TAU-72.IP/TAU-36.IP 5
–RADIUS configuration.
Version 1.11
9.09.2011
Added:
–SIPconnected, H323connected parameters for SNMP monitoring;
–Testing on long lines (ARM);
–Simultaneous connections amount limit - Call limits.
Removed:
–Alert info support.
Version 1.10
26.08.2011
Added:
–Home SIP server control with REGISTER messages;
–RTCP configuration;
–The 'Music on hold' service;
–Switching to modem with session attributes point via rfc3108;
–Registration retry interval configuration;
–Default gateway and CoS configuration for VLAN;
–Inbound configuration;
–Ringback raising to a voice channel;
–Parameters configuration via SNMP;
–Symbol # transmission to a SIP URI as #
Version 1.9
11.04.2011
Added:
–The '3-way-conference' service;
–Connection establishment algorithms for '3-way-conference' service
description;
–Payphone mode configuration;
–QoS & Bandwidth control - Quality of Service function and
Bandwidth restriction configuration;
Version 1.8
09.12.2010
Added:
–Safety measures instructions;
–General switch operation guidelines;
–Configuration of internal switching for SIP-proxy connection loss;
–Pickup groups configuration.
–Configuration of pickup codes;
–Configuration of prefix with varying number count;
–Web configurator access via HTTPS;
–Tracing disabling, network traffic mirroring;
–Connection establishment algorithms description;
–Example of switch configuration using VLAN;
–Example of IPBX configuration on TAU-72.IP/TAU-36.IP;
–Phone line length calculation.
Version 1.7
22.09.2010
Factory default IP address is changed to 192.168.1.2
Added:
–Simultaneous channel amount interrelation with codec type table
–RADIUS messages description;
–First digit input waiting timer;
–SIP settings: SIP MTU, short mode, 100rel;
–Receiving media traffic control function;
–Codec packetization configuration;
–Min FLASH impulse detection limit configuration and FLASH
detecting restriction;
–SWITCH modes description;
–Monitoring of SFP parameters, supporting DDM;
–Configuration recording/reading to/from FTP, TFTP server;
–Added the Logout button;
–Call statistics;
–CT service function enhancement.
Version 1.6
12.07.2010
–Table added - simultaneous channel amount.
–Enable/disable telnet/ssh is added.
Version 1.5
09.04.2010
Web interface is fully updated.
–Syslog is added.
–Firmware update via Web interface is added.
–Failure description, output via SNMP is added.
Version 1.4
19.02.2010
–Local DNS, prefix priority description are added.
Version 1.3
14.01.2010
–'General device configuration sequence' appendix is added.
Version 1.2
23.12.2009
–Subscriber port testing description is added.
Version 1.0
27.05.2009
First issue.

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6 Universal Network Terminal TAU-72.IP/TAU-36.IP
CONTENTS
TAU-72.IP/TAU-36.IP FIRMWARE UP TO DATE INSTRUCTION ..........................................................................................................................8
SYMBOLS.........................................................................................................................................................................................................10
NOTES AND WARNINGS..................................................................................................................................................................................11
TARGET AUDIENCE..........................................................................................................................................................................................11
1 INTRODUCTUION..................................................................................................................................................................................12
2 PRODUCT DESCRIPTION .......................................................................................................................................................................13
2.1 Purpose........................................................................................................................................................................................13
2.2 Typical Application Diagrams.......................................................................................................................................................16
2.3 Product Design and Operating Principle......................................................................................................................................17
2.4 Main Specifications......................................................................................................................................................................18
2.5 Design ..........................................................................................................................................................................................20
2.6 Device ventilation........................................................................................................................................................................22
2.7 Light indication ............................................................................................................................................................................23
2.8 'F' Function Button Operation .....................................................................................................................................................24
2.9 Delivery Package..........................................................................................................................................................................24
2.9.1 TAU-72.IP delivery package................................................................................................................................................24
2.9.2 TAU-36.IP delivery package................................................................................................................................................24
3 INSTALLATION ORDER AND SAFETY MEASURES...................................................................................................................................26
3.1 Safety instruction.........................................................................................................................................................................26
3.1.1 General Guidelines.............................................................................................................................................................26
3.1.2 Electrical Safety Requirements ..........................................................................................................................................26
3.1.3 Electrostatic Discharge Safety Measures ...........................................................................................................................27
3.2 TAU-72.IP/TAU-36.IP Installation.................................................................................................................................................27
3.2.1 Opening the case ...............................................................................................................................................................27
3.3 Startup sequence.........................................................................................................................................................................28
4 GENERAL SWITCH OPERATION GUIDELINES.........................................................................................................................................30
5 DEVICE CONFIGURATION.....................................................................................................................................................................31
5.1 TAU-72.IP/TAU-36.IP configuration via WEB Interface. Administrator Access............................................................................31
5.1.1 The ‘Network settings’ menu.............................................................................................................................................35
5.1.2 The 'PBX' menu. VoIP Configuration ..................................................................................................................................71
5.1.3 The 'Switch' menu............................................................................................................................................................124
5.1.4 The 'Monitoring' menu ....................................................................................................................................................129
5.1.5 The 'System info' menu....................................................................................................................................................139
5.1.6 The 'Service' menu ...........................................................................................................................................................141
5.2 TAU-72.IP/TAU-36.IP configuration via WEB Interface. Operator Access .................................................................................150
5.3 Non-privileged user access for device monitoring.....................................................................................................................152
5.3.1 The 'Monitoring' menu ....................................................................................................................................................152
5.3.2 The 'System info' menu....................................................................................................................................................152
5.3.3 The 'Service' menu ...........................................................................................................................................................152
5.4 Supervisor Access ......................................................................................................................................................................153
6 COMMAND LINE MODE AND TERMINAL MODE OPERATION ............................................................................................................154
6.1 Basic Commands........................................................................................................................................................................154
6.1.1 Basic commands...............................................................................................................................................................161
6.1.2 Top leve commands (exec) ..............................................................................................................................................162
6.1.3 Configuration level commands ........................................................................................................................................182
6.1.4 Network settings level commands...................................................................................................................................185
6.1.5 SIP profiles configuration level commands ......................................................................................................................207
6.1.6 Port and port profiles settings level commands ..............................................................................................................216
6.2 Call statistic................................................................................................................................................................................221
6.2.1 Command line mode........................................................................................................................................................221
6.2.2 Statistic file operations ....................................................................................................................................................222
6.2.3 Port-specific Statistics ......................................................................................................................................................222
6.3 Configuration writing/readout ..................................................................................................................................................222
6.4 Setting password for 'admin' user .............................................................................................................................................223
6.5 Reset the device to the factory settings ....................................................................................................................................224
6.5.1 Reset the configuration to factory default.......................................................................................................................224
6.5.2 Reset the configuration to factory default using 'Safemode'...........................................................................................224
7 SUPPLEMENTARY SERVICE USAGE .....................................................................................................................................................226
7.1 The 'Call Transfer' service ..........................................................................................................................................................226
7.2 The Call Waiting service.............................................................................................................................................................229
7.3 3-way conference ......................................................................................................................................................................229
8 CONNECTION ESTABLISHMENT ALGORITHMS ...................................................................................................................................233
8.1 Algorithm of a Successful Call via SIP Protocol ..........................................................................................................................233
8.2 Call Algorithm Involving SIP Proxy Server..................................................................................................................................234
8.3 Call Algorithm Involving Forwarding Server ..............................................................................................................................235

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Universal Network Terminal TAU-72.IP/TAU-36.IP 7
8.4 Algorithm of a Successful Call via H.323 Protocol .....................................................................................................................236
8.5 Algorithm of a Successful Call via H.323 Protocol with Gatekeeper..........................................................................................237
9 DESCRIPTION OF CONFIGURATION FILES ...........................................................................................................................................239
9.1 Configuration file –CFG.YAML ..................................................................................................................................................239
9.1.1 VoIP configuration ...........................................................................................................................................................239
9.1.2 Device network settings...................................................................................................................................................256
9.1.3 Настройки портов коммутатора....................................................................................................................................261
APPENDIX A. TAU-72.IP/TAU-36.IP NETWORK TERMINAL CONTACT PIN ASSIGNMENT ..............................................................................265
APPENDIX B. ALTERNATIVE FIRMWARE UPDATE METHOD ..........................................................................................................................267
APPENDIX C. GENERAL DEVICE SETUP/CONFIGURATION PROCEDURE ........................................................................................................269
APPENDIX D. EXAMPLE OF SWITCH CONFIGURATION USING VLAN.............................................................................................................276
APPENDIX E. EXAMPLE OF PABX CONFIGURATION WITH TAU-72.IP/TAU-36.IP ..........................................................................................277
APPENDIX F. CALCULATION OF PHONE LINE LENGTH...................................................................................................................................280
APPENDIX G. AUTOMATIC CONFIGURATION PROCEDURE AND GATEWEY FIRMWARE VERSION CHECK ....................................................282
APPENDIX H. DEVICE FIREWALL CONFIGURATION-IPTABLES .......................................................................................................................288
10 APPENDIX J. PROCESSING OF INFO REQUESTS CONTAINING APPLICATION/BROADSOFT AND APPLICATION/SSCC AND USED FOR
SUPPLEMENTARY SERVICES..........................................................................................................................................................................289
APPENDIX K. DESCRIPTION EVENTS SENT BY THE TRAP, TRAPV2, INFORM MESSAGES ...............................................................................290
APPENDIX L. HELP ON TIMEZONES ...............................................................................................................................................................293
APPENDIX M. CABLE CONNECTORS PIN DESIGNATION ................................................................................................................................296
ACCEPTANCE CERTIFICATE AND WARRANTY FOR TAU-72.IP........................................................................................................................298
ACCEPTANCE CERTIFICATE AND WARRANTY FOR TAU-36.IP........................................................................................................................299

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8 Universal Network Terminal TAU-72.IP/TAU-36.IP
TAU-72.IP/TAU-36.IP FIRMWARE UP TO DATE INSTRUCTION
The principle of firmware update and firmware files format are changed in the newest
versions. Be attentively and follow the instruction when updating.
The sequence of firmware update to the newest version (2.18.0).
Firmware file v.2.18.0 should be called tau72-2.18.0.X.
If the current gateway firmware version is less than 1.9.0 (including old versions, that have 4-digit version
name) you should:
1. Have an access to a COM port, reserve firmware and configuration (if some update problem will happen).
2. Download firmware file v.1.11.4:
http://eltex.nsk.ru/upload/files/tau36_72/tau36_72/1_11_4/firmware.tar.gz
3. Download firmware file v.2.18.0:
4. Reboot the gateway to clear RAM before updating.
5. Choose 'Service/Firmware upgrade' menu in Web configurator. In appeared box set the path to firmware file
v.1.11.4 using the 'Browse' button in the 'Universal firmware upgrade' section and click the 'Upgrade
firmware' button.
Firmware file should be called firmware.tar.gz.
6. The device will reboot at the end of the firmware update process.
7. After rebooting open the Web configurator and click the 'Save' button in any configuration menu section,
e.g. 'Network' tab.
8. After configuration saving update the firmware with previous steps using firmware file v.2.18.0. Firmware
file v.2.17.2 should be called tau72-2.18.0.X.
If it is impossible to update the firmware via the Web interface or by other ways, you should use
reserve firmware update method described in this manual in APPENDIX B.
If the current gateway firmware version is from 2.1.0 to 2.1.4 you should:
1. Download firmware file v.2.1.4:
http://eltex.nsk.ru/upload/files/tau36_72/tau36_72/2_1_4/firmware.tar.gz
2. Download firmware file v.2.18.0:
3. Choose 'Service/Firmware upgrade' menu in Web configurator. In appeared box set the path to firmware file
v.2.1.4 using the 'Browse' button in the 'Universal firmware upgrade' section and click the 'Upgrade
firmware' button.
Firmware file should be called tau72-2.18.0.X.

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Universal Network Terminal TAU-72.IP/TAU-36.IP 9
4. After device rebooting update the firmware with previous steps using firmware file v.2.18.0. Firmware file
v.2.18.0 should be called tau72-2.18.0.X.
If the current gateway firmware version is from 2.2.0 to 2.5.0 you should:
1. Download firmware file v.2.5.0:
http://eltex.nsk.ru/upload/files/tau36_72/tau36_72/2_5_0/firmware.img72
2. Download firmware file v.2.18.0:
3. Choose 'Service/Firmware upgrade' menu in Web configurator. In appeared box set the path to firmware file
v.2.5.0 using the 'Browse' button in the 'Universal firmware upgrade' section and click the 'Upgrade
firmware' button. Firmware file should be called tau72-2.18.0.X.
4. After device rebooting update the firmware with previous steps using firmware file v.2.18.0. Firmware file
v.2.18.0 should be called tau72-2.18.0.X.
If the current firmware version is 2.5.0 and newer you should:
1. Download firmware file v.2.18.0:
2. Reboot the gateway to clear RAM before updating.
3. Choose 'Service/Firmware upgrade' menu in Web configurator. In appeared box set the path to firmware file
v.2.18.0 using the 'Browse' button in the 'Universal firmware upgrade' section and click the 'Upgrade
firmware' button. Firmware file should be called tau72-2.18.0.X.
If it is impossible to update the firmware via the Web interface or by other ways, you should use
reserve firmware update method described in this manual in APPENDIX B. All required files you
can find in reserve_soft.zip archive.

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10 Universal Network Terminal TAU-72.IP/TAU-36.IP
SYMBOLS
Symbol
Description
Bold font face
Notes, warnings, section headings, titles and table titles are written in bold.
Calibri Italic
Important information is written in Calibri Italic.
Courier New
Command entry examples, command execution results and program output
are written in Courier New semibold.
<KEY>
Keyboard keys are written in upper-case and enclosed in angle brackets.
Analogue phone unit icon
TAU Universal Network Terminal icon
MES3124F Ethernet switch Icon
Softswitch ECSS-10 hardware-software switch icon
Digital subscriber PBX icon
Network Connection icon
Optical transmission medium