NetComm V85 - Manual (Page 29)

V85 Desktop VoIP Phone User Guide 29
YML772 Rev1
Field Description
Busy Forward Check the Busy box and enter the Busy forward
number in the field. For example, if user A’s phone
has Busy checked with the number set to 555-5555,
then incoming calls for A’s phone will be forwarded
to number 555-5555 if A’s phone is currently busy.
No Answer Forward Check the No Answer box and enter the no answer
forward number and time in the field supplied. For
example, if user A’s phone is receiving an incoming
call and has No Answer checked with number 555-
5555 and the no-answer time equals 10, then this
phone call will be forwarded to number 555-5555 if
it is not answered for 10 seconds.
Advanced SIP parameters
Following is explanation of advanced SIP parameters in the V85 SIP configuration page.
Note that these will generally not need to be adjusted unless you are directed to do so by a
VoIP Service Provider or NetComm Technical Support.
Reg. Expire
Duration of interval for SIP ‘keep-alive’ registration.
RTP Port The base port of the range of the transmitted RTP
packets port;
Note: The real port range that V85 uses for RTP packets is from specified base
port to base port+6. For example, if base port is 16384, then real range is
16384 ~ 16390.
Codec The type of the Codec of the transmitted RTP
packets.
RTP Packet Interval This setting lets you choose RTP packet interval ;
please ask your VoIP service provider for the best
value. The default setting is 20ms for G.729 codec,
30ms for G.723 codec. In the keypad configuration,
it uses the term “LowRate”, to indicate this setting.
When you choose either 40ms for G.729 or 60ms
G.723, the keypad configuration shows “LowRate
True”.