Telnet to the phone and check what you have, for example:
usr/config$ rom -print
Download Method : TFTP
Server Address : 10.5.8.1
Hardware Ver. : 4.0
Boot Rom : nblp-boot.102a
Application Rom : wtlp.108h
DSP App : 48302ce3.127
DSP Kernel : 48302ck.127
DSP Test Code : 483cbit.bin
Ringback Tone : wg-ringbacktone.100
Hold Tone : wg-holdtone10s.100
Ringing Tone1 : ringlow.bin
Ringing Tone2 : ringmid.bin
Ringing Tone3 : ringhi.bin
usr/config$
2. Check if you have the codecs arranged in the desired order:
usr/config$ voice -print
Voice codec setting relate information
Sending packet size :
G.723.1 : 30 ms
G.711A : 20 ms
G.711U : 20 ms
G.729A : 20 ms
G.729 : 20 ms
Priority order codec :
g7231 g711a g711u g729a g729
Volume levels :
voice volume : 54
input gain : 26
dtmf volume : 23
Silence suppression & CNG:
G.723.1 : Off
Echo canceller : On
JitterBuffer Min Delay : 90
JitterBuffer Max Delay : 150
usr/config$
3. Make sure you have set the H.323 operation mode to phone to phone (P2P), not gatekeeper
(GK):
usr/config$ h323 -print
H.323 stack relate information
RAS mode : Non-GK mode
Registered e164 : 31
Registered H323 ID : Rob
RTP port : 16384
H.245 port : 16640
Allocated port range :
start port : 1024
end port : 65535
Response timeOut : 5
Connect timeOut : 5000
usr/config$
4. Add the gateway's address to the phonebook:
usr/config$ pbook -add name gw ip 10.1.1.12
usr/config$
Page 678 of 695
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