Content
Mediant 800 Gateway & E-SBC | User's Manual
Part V 544
Gateway Application 544
22 Introduction 545
Call Processing Summary 545
23 Digital PSTN 548
Configuring Trunk Settings 548
TDM and Timing 573
TDM Bus Clock Settings 573
Recovering Clock from PSTN Line Interface 573
Configuring Internal Clock as Clock Source 574
Configuring CAS State Machines 575
Configuring Digital Gateway Parameters 577
Tunneling Applications 578
TDM Tunneling 578
DSP Pattern Detector 581
Configuring Private Wire Interworking 582
QSIG Tunneling 587
ISDN Non-Facility Associated Signaling (NFAS) 588
NFAS Interface ID 589
Working with DMS-100 Switches 589
Creating an NFAS-Related Trunk Configuration 590
Performing Manual D-Channel Switchover in NFAS Group 590
ISDN Overlap Dialing 591
Collecting ISDN Digits and Sending Complete Number in SIP 591
Interworking ISDN Overlap Dialing with SIP According to RFC 3578 592
Redirect Number and Calling Name (Display) 593
24 Trunk Groups 594
Configuring Trunk Groups 594
Configuring the Trunk Group Settings Table 596
25 Routing 603
Configuring Tel-to-IP Routing Rules 603
Configuring IP-to-Tel Routing Rules 614
Configuring a Gateway Routing Policy Rule 619
Alternative Routing for Tel-to-IP Calls 621
IP Destinations Connectivity Feature 621
Alternative Routing Based on IP Connectivity 622
Alternative Routing Based on SIP Responses 624
Alternative Routing upon SIP 3xx with Multiple Contacts 627
PSTN Fallback 627
Alternative Routing for IP-to-Tel Calls 628
Alternative Routing to Trunk upon Q.931 Call Release Cause Code 628
Alternative Routing to an IP Destination upon a Busy Trunk 630
Alternative Routing upon ISDN Disconnect 631
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