Voice - Cisco Small Business Pro SPA9000 Administration Manual

SPA400 Field Reference
Setup
SPA9000 Voice System Administration Guide
Downloaded from www.Manualslib.com
IP Tos/DiffServ
Call Signaling Packets
RTP Packets
Session
Enable Session Timer
Desired Refresh Time
Minimum Refresh Time
Setup tab>

Voice

The default settings should be sufficient in most use cases. These settings should
NOTE
be adjusted only after consultation with a service technician for the telephone
company. It is essential that these settings are compatible with those of the Central
Office.
Voice Codecs
Preferred Codecs
Preferred Codec
Voice Codecs
Packetization
VAD
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TOS field in IP header for outgoing SIP packets
Default: 68
TOS field in IP header for outgoing RTP/RTCP packets
Default: b8
Enables the SPA400 to encode the Timer header in all
INVITE requests for ringing timeout (checked by default)
Desired session timer in seconds (0 by default)
Minimum value of the session timer in seconds (0 by default)
The preferred voice codec that SPA400 uses to negotiate
with remote VoIP devices to determine the voice codec for a
call: G.711U, G.711A, or G.729
The packetization time in milliseconds for each codec:
G.711U, G.711A, G.729
Voice Activity Detection (OFF or ON)
Default: OFF
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