Matching Against Multiple Rules in Digit Map........................................................................................ 65
Forcing Interdigit Timeout With A Pound Key ........................................................................................ 67
Invoke Second Dial Tone in Digit Map................................................................................................... 67
Change Inter-digit Long Timer Dynamically After Partial Match ............................................................ 68
User-Defined Digit Maps........................................................................................................................ 68
A User-Defined Digit Map For IPv4 Dialing............................................................................................ 69
Configure a User-Defined Digit Map ...................................................................................................... 69
Call Routing and Digit Map ........................................................................................................................... 70
Trunks, Endpoints, and Terminals ......................................................................................................... 70
Supported 2-way Call Bridges ........................................................................................................ 70
12Service Providers ........................................................................................................................................... 72
ITSP Profile ................................................................................................................................................... 72
SP Service .................................................................................................................................................... 72
SIP Registration ............................................................................................................................................ 72
SIP Outbound Proxy Server................................................................................................................... 73
DNS Lookup of SIP Servers .................................................................................................................. 73
NAT Traversal Considerations............................................................................................................... 74
SIP Proxy Server Redundancy and Dual Registration........................................................................... 74
SIP Privacy ............................................................................................................................................ 75
STUN and ICE ....................................................................................................................................... 76
SIP Service Provider Features...................................................................................................................... 76
ITSP Driven Distinctive Ringing ............................................................................................................. 77
RTP Statistics - the X-RTP-Stat Header ................................................................................................ 77
Media Loopback Service........................................................................................................................ 78
The OBiTALK Service ................................................................................................................................... 79
Enable the OBiTALK Service................................................................................................................. 79
Limit OBiTALK Calls .............................................................................................................................. 80
PDMS-SP Service Settings.................................................................................................................... 80
Auto Attendant Service ................................................................................................................................. 80
Automated Attendant ............................................................................................................................. 80
AA Callback Service .............................................................................................................................. 80
User Recorded Prompts ........................................................................................................................ 81
Enable Auto Attendant ........................................................................................................................... 81
Configure the Auto Attendant Callback Service..................................................................................... 82
Customize Service Route Access Codes for the Auto Attendant. ......................................................... 82
Customizing AA Prompt Lists........................................................................................................................ 82
Voice Gateways ............................................................................................................................................ 84
Configure a Gateway for Direct Dialing.................................................................................................. 84
Voice Gateway Examples ...................................................................................................................... 84
Trunks ........................................................................................................................................................... 85
Trunk Groups ......................................................................................................................................... 85
Configure a Trunk Group................................................................................................................ 86
13Troubleshooting.............................................................................................................................................. 87
System Logs ................................................................................................................................................. 87
v