Version 6.2  5  February 2011 
SIP User's Manual  Contents 
 
5 EMS-Based Management ................................................................................ 373
5.1 Familiarizing yourself with EMS GUI .................................................................... 373
5.2 Adding the Device in EMS 
................................................................................... 374
5.3 Configuring Trunks 
............................................................................................... 376
5.3.1 General Trunk Configuration .................................................................................376
5.3.2 Configuring ISDN NFAS ........................................................................................377
5.4 Configuring Basic SIP Parameters ....................................................................... 380
5.5 Provisioning SIP SRTP 
Crypto Offered Suites ..................................................... 382
5.6 Provisioning SIP MLPP 
Parameters .................................................................... 382
5.7 Configuring the Device to Operate with SNMPv3
 ................................................ 383
5.7.1 Configuring SNMPv3 using SSH ...........................................................................384
5.7.2 Configuring EMS to Operate with a Pre-configured SNMPv3 System ..................385
5.7.3 Configuring SNMPv3 to Operate with Non-Configured SNMPv3 System .............386
5.7.4 Cloning SNMPv3 Users .........................................................................................387
5.8 Resetting the Device ............................................................................................ 387
5.9 Upgrading the Device's Software 
......................................................................... 388
6 Restoring Factory Default Settings ............................................................... 391
6.1 Restoring Defaults using CLI ............................................................................... 391
6.2 Restoring Defaults usin
g an ini File ...................................................................... 392
6.3 Restoring Defaults usin
g Hardware Reset Button ................................................ 392
7 Auxiliary Configuration Files ......................................................................... 393
7.1 Call Progress Tones File ...................................................................................... 393
7.1.1 Distinctive Ringing .................................................................................................396
7.1.2 FXS Distinctive Ringing and Call Waiting Tones per Source/Destination Number398
7.2 Prerecorded Tones File ........................................................................................ 399
7.3 CAS Files 
............................................................................................................. 399
7.4 Dial Plan File 
........................................................................................................ 400
7.5 User Information File
 ............................................................................................ 402
8 IP Telephony Capabilities ............................................................................... 405
8.1 Multiple SIP Signaling and Media Interfaces ........................................................ 405
8.1.1 Signaling Routing Domains ...................................................................................405
8.1.1.1 Media Realms ....................................................................................... 406
8.1.1.2 SIP Interfaces ........................................................................................ 406
8.1.2 Multiple SIP Signaling and Media Configuration Example ....................................408
8.2 Dynamic Jitter Buffer Operation ........................................................................... 412
8.3 Gateway an
d IP-to-IP ........................................................................................... 413
8.3.1 Dialing Plan Features ............................................................................................413
8.3.1.1 Dialing Plan Notation for Routing and Manipulation ............................. 413
8.3.1.2 Digit Mapping ........................................................................................ 414
8.3.1.3 External Dial Plan File ........................................................................... 415
8.3.1.4 Dial Plan Prefix Tags for IP-to-Tel Routing ........................................... 418
8.3.2 Manipulating Number Prefix ..................................................................................419
8.3.3 Emergency Phone Number Services - E911 .........................................................420
8.3.3.1 FXS Device Emulating PSAP using DID Loop-Start Lines ................... 421