Operation Manual

Configuring the Voice Settings
SIP
Cisco SPA100 Series Administration Guide 54
1
RTP Parameters
SIT3 RSC SIP response status code to INVITE on which to play the SIT3
Tone.
Default setting: blank
SIT4 RSC SIP response status code to INVITE on which to play the SIT4
Tone.
Default setting: blank
Try Backup RSC SIP response code that retries a backup server for the current
request.
Default setting: blank
Retry Reg RSC Interval to wait before the ATA retries registration after failing
during the last registration.
Default setting: blank
Field Description
RTP Port Min Minimum port number for RTP transmission and reception.
The RTP Port Min and RTP Port Max parameters should define a
range that contains at least 4 even number ports, such as 100 –106.
Default setting: 16384.
RTP Port Max Maximum port number for RTP transmission and reception.
Default setting: 16482.
RTP Packet Size Packet size in seconds, which can range from 0.01 to 0.16. Valid
values must be a multiple of 0.01 seconds.
Default setting: 0.030
RTP Tx Packet Size
Follows Remote SDP
Enable the Remote pair RTP Packet Size.
Default setting: Yes
Max RTP ICMP Err Number of successive ICMP errors allowed when transmitting
RTP packets to the peer before the ATA terminates the call. If
value is set to 0, the ATA ignores the limit on ICMP errors.
Default setting: 0
Field Description