[Serusers] Ser - SJPhone - ZyXEL P2000W - No Sound

David Simmons iptel at davidsimmons.co.uk
Wed Sep 22 17:09:53 CEST 2004


Hi,

I have setup a server with the default config and my topology is as follows:

192.168.10.2   (my PC with SJPhone)

192.168.10.20  (ZyXEL Prestige 2000W)

192.168.10.50  (IPTel SER 0.8.14 src)

Both phones register fine.

When I make a call all packets traverse fine ... phones ring ... I pick up the phone and no sound.....

I know both phones work as I have had them running through asterisk without issues.

Here is a tcpdump from my PC:

djs:/home/dave # tcpdump -n net 192.168.10.0/24
tcpdump: listening on eth0
16:07:39.941268 192.168.10.2.5060 > 192.168.10.50.5060: udp 625 (DF)
16:07:39.942286 192.168.10.50.5060 > 192.168.10.2.5060: udp 583 (DF) [tos 0x10] 
16:07:42.347992 192.168.10.50.5060 > 192.168.10.2.5060: udp 481 (DF) [tos 0x10] 
16:07:43.157053 192.168.10.50.5060 > 192.168.10.2.5060: udp 481 (DF) [tos 0x10] 
16:07:44.933756 arp who-has 192.168.10.2 tell 192.168.10.50
16:07:44.933787 arp reply 192.168.10.2 is-at 0:50:fc:72:48:a7
16:07:51.478977 192.168.10.50.5060 > 192.168.10.2.5060: udp 728 (DF) [tos 0x10] 
16:07:51.483097 192.168.10.2.5060 > 192.168.10.50.5060: udp 493 (DF)
16:07:51.617704 arp who-has 192.168.10.2 tell 192.168.10.20
16:07:51.617742 arp reply 192.168.10.2 is-at 0:50:fc:72:48:a7
16:07:51.624504 192.168.10.20.2070 > 192.168.10.2.16390: udp 252
16:07:51.649217 192.168.10.20.2070 > 192.168.10.2.16390: udp 252
16:07:51.664914 192.168.10.20.2070 > 192.168.10.2.16390: udp 252
16:07:51.696964 192.168.10.20.2070 > 192.168.10.2.16390: udp 252
16:07:51.728381 192.168.10.20.2070 > 192.168.10.2.16390: udp 252
16:07:51.760793 192.168.10.20.2070 > 192.168.10.2.16390: udp 252
16:07:51.792979 192.168.10.20.2070 > 192.168.10.2.16390: udp 252
16:07:51.824425 192.168.10.20.2070 > 192.168.10.2.16390: udp 252
16:07:51.857219 192.168.10.20.2070 > 192.168.10.2.16390: udp 252
16:07:51.889120 192.168.10.20.2070 > 192.168.10.2.16390: udp 252
16:07:51.904975 192.168.10.20.2070 > 192.168.10.2.16390: udp 252
16:07:51.937186 192.168.10.20.2070 > 192.168.10.2.16390: udp 252
16:07:51.968744 192.168.10.20.2070 > 192.168.10.2.16390: udp 252
16:07:52.000985 192.168.10.20.2070 > 192.168.10.2.16390: udp 252
16:07:52.032817 192.168.10.20.2070 > 192.168.10.2.16390: udp 252
16:07:52.064412 192.168.10.20.2070 > 192.168.10.2.16390: udp 252


No matter which phone  I make the call from packets only go like above from the ZyXEL to the SJPhone PC.

Am I right in thinking that packets should go both ways??

Any other ideas as to why I have no sound?

Pulling my hair out on this one :)

Cheers,

Dave





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