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Chapter 47 VoIP profile configuration
Chapter contents
Introduction........................................................................................................................................................574
VoIP profile configuration task list ......................................................................................................................575
Creating a VoIP profile .................................................................................................................................575
Configure codecs ..........................................................................................................................................576
Configuring the transparent-clearmode codec ...............................................................................................578
Configuring the Cisco versions of the G.726 codecs .....................................................................................578
Configuring DTMF relay .............................................................................................................................579
Configuring RTP payload types ....................................................................................................................579
Configuring RTP payload type for transparent-clearmode ............................................................................580
Configuring RTP payload types for the g726-32k and g726-32k-cisco coders ..............................................580
Configuring RTP payload type for Cisco NSE ..............................................................................................580
Configuring Cisco NSE for Fax ....................................................................................................................580
Configuring the dejitter buffer (advanced) ....................................................................................................581
Enabling/disabling filters (advanced) .............................................................................................................583
Configuring Fax transmission .......................................................................................................................584
T.38 CED retransmission .............................................................................................................................587
T.38 No-Signal Retransmission ....................................................................................................................588
Fax bypass method ........................................................................................................................................588
Configuring fax failover ................................................................................................................................588
Configuring modem transmission .................................................................................................................589
Modem bypass method .................................................................................................................................589
Configuring the traffic class for Voice and Fax data ......................................................................................590
Configuring IP-IP codec negotiation .............................................................................................................590
Examples .............................................................................................................................................................591
Home office in an enterprise network ...........................................................................................................591
Home office with fax ....................................................................................................................................593
Soft phone client gateway ..............................................................................................................................594