MikroTik RouterOS v2.9 Reference Manual page 692

Telnet to the phone and check what you have, for example:
usr/config$ rom -print
Download Method
Server Address
Hardware Ver. :
Boot Rom
Application Rom
DSP App
DSP Kernel
DSP Test Code
Ringback Tone
Hold Tone
Ringing Tone1
Ringing Tone2
Ringing Tone3
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
G.711A
G.711U
G.729A
G.729
Priority order codec :
g7231 g711a g711u g729a g729
Volume levels
voice volume : 54
input gain
dtmf volume : 23
Silence suppression & CNG:
G.723.1
Echo canceller
JitterBuffer Min Delay
JitterBuffer Max Delay
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
Registered e164
Registered H323 ID
RTP port
H.245 port
Allocated port range
start port
end port
Response timeOut
Connect timeOut
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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Other trademarks and registred trademarks mentioned herein are properties of their respective owners.
: TFTP
: 10.5.8.1
4.0
: nblp-boot.102a
: wtlp.108h
: 48302ce3.127
: 48302ck.127
: 483cbit.bin
: wg-ringbacktone.100
: wg-holdtone10s.100
: ringlow.bin
: ringmid.bin
: ringhi.bin
:
: 30 ms
: 20 ms
: 20 ms
: 20 ms
: 20 ms
:
: 26
: Off
: On
: 90
: 150
: Non-GK mode
: 31
: Rob
: 16384
: 16640
:
: 1024
: 65535
: 5
: 5000