D-3
Cisco Unified IP Phone 7960G and 7940G Administration Guide for Release 8.0 (SIP)
OL-7890-01
Appendix D SIP IP Phone Parameters
call_stats
(Optional) Includes RTP statistics in BYE requests and responses.
Valid values are 0 (disable) and 1 (enable). Default is 0.
If this parameter is enabled, the phone inserts the headers
RTP-RxStat and RTP-TxStat as follows:
•
RTP-RxStat:
Dur=a,Pkt=b,Oct=c,LatePkt=d,LostPkt=e,AvgJit=f
•
RTP-TxStat: Dur=g,Pkt=h,Oct=i
where the following apply:
•
Dur—Total number of seconds since the beginning of reception
or transmission.
•
Pkt—Total number of RTP packets received or transmitted.
•
Oct—Total number of RTP payload octets received or
transmitted (not including RTP header).
•
LatePkt—Total number of late RTP packets received.
•
LostPkt—Total number of lost RTP packets received (not
including late RTP packets).
•
AvgJit—Average jitter, which is an estimate of the statistical
variance of the RTP packet inter-arrival time, measured in
timestamp unit and calculated according to RFC 1889.
•
a, b, c, d, e, f, g, h, and i—Integers.
call_waiting
(Phone-specific; optional) Configures call waiting.
Valid values are as follows:
•
0—Disabled by default, but can be turned on and off using the
user interface. When disabled, call waiting calls are not
received.
•
1—Enabled by default, but can be turned on and off using the
user interface. When enabled, call waiting calls are accepted.
•
2—Disabled permanently and cannot be turned on and off
locally using the user interface. Specify this parameter in the
phone-specific configuration file.
•
3—Enabled permanently and cannot be turned on and off
locally using the user interface. Specify this parameter in the
phone-specific configuration file.
Default is 1.
Table D-1
Configuration File Parameters (continued)
Parameter
Description
