568
Chapter 47 VoIP profile configuration
Chapter contents
Introduction........................................................................................................................................................569
VoIP profile configuration task list ......................................................................................................................570
Creating a VoIP profile .................................................................................................................................570
Configure codecs ..........................................................................................................................................571
Configuring the transparent-clearmode codec ...............................................................................................573
Configuring the Cisco versions of the G.726 codecs .....................................................................................573
Configuring DTMF relay .............................................................................................................................574
Configuring RTP payload types ....................................................................................................................574
Configuring RTP payload type for transparent-clearmode ............................................................................575
Configuring RTP payload types for the g726-32k and g726-32k-cisco coders ..............................................575
Configuring RTP payload type for Cisco NSE ..............................................................................................575
Configuring Cisco NSE for Fax ....................................................................................................................575
Configuring the dejitter buffer (advanced) ....................................................................................................576
Enabling/disabling filters (advanced) .............................................................................................................578
Configuring Fax transmission .......................................................................................................................579
T.38 CED retransmission .............................................................................................................................582
T.38 No-Signal Retransmission ....................................................................................................................583
Fax bypass method ........................................................................................................................................583
Configuring fax failover ................................................................................................................................583
Configuring modem transmission .................................................................................................................584
Modem bypass method .................................................................................................................................584
Configuring the traffic class for Voice and Fax data ......................................................................................585
Configuring IP-IP codec negotiation .............................................................................................................585
Examples .............................................................................................................................................................586
Home office in an enterprise network ...........................................................................................................586
Home office with fax ....................................................................................................................................588
Soft phone client gateway ..............................................................................................................................589