[asterisk-users] Problem with modem data calls and xorcom astribanks

[Tzafrir Cohen]

On Fri, Aug 22, 2008 at 03:12:41PM +1000, Col Ferguson wrote:
> Hello all,
> I have a system at a motel that is mostly analog phones with 2 32 port
> astribanks.

What exactly is the trunk? FXO ports in the astribank?

> 
> I am having problems getting a modem data call to connect.
> There are many travelling salesmen that require this functionality to work
> to dial direct into their company systems.
> 
> I am using Asterisk 1.4.18.1, and Zaptel 1.4.9.2 and freePBX 2.4.0.1 and
> Oslec echo can.
> 
> I have now the simplest dialplan I can come up with and get a 4800
> connection about 1 in 10 times. This should bypass any smarts that freePBX
> is adding in.
> 
> The dialplan is
> [outbound-allroutes-custom]
> exten => 791,1,Dial(Zap/69/ww0198308888,300)
> exten => 791,n,Hangup
> 
> In Hyperterminal I do
> atdt791
> 
> The number dialled is for a large dialup ISP.
> ww is needed to get a dialtone for the modem. Could this be causing the
> problem ?
> 
> The log file shows
> [Aug 22 13:17:32] DEBUG[748] chan_zap.c: Deferring dialing...
> [Aug 22 13:17:32] VERBOSE[748] logger.c:     -- Called 69/ww0198308888
> [Aug 22 13:17:36] VERBOSE[748] logger.c:     -- Zap/69-1 answered Zap/67-1
> [Aug 22 13:17:36] DEBUG[748] chan_zap.c: Took Zap/67-1 off hook
> [Aug 22 13:17:36] DEBUG[748] chan_zap.c: master: 67, slave: 69, nothingok: 0
> [Aug 22 13:17:36] DEBUG[748] chan_zap.c: Stopping tones on 67/0 talking to
> 69/0
> [Aug 22 13:17:36] DEBUG[748] chan_zap.c: Stopping tones on 69/0 talking to
> 67/0
> [Aug 22 13:17:36] DEBUG[748] chan_zap.c: Making 69 slave to master 67 at 0
> [Aug 22 13:17:36] DEBUG[748] chan_zap.c: Added 18 to conference 9/67
> [Aug 22 13:17:36] DEBUG[748] chan_zap.c: Added 76 to conference 9/69
> [Aug 22 13:17:36] VERBOSE[748] logger.c:     -- Native bridging Zap/67-1 and
> Zap/69-1
> [Aug 22 13:20:00] DEBUG[748] chan_zap.c: Unlinking slave 69 from 67
> [Aug 22 13:20:00] DEBUG[748] chan_zap.c: Removed 18 from conference 9/67
> [Aug 22 13:20:00] DEBUG[748] chan_zap.c: Removed 76 from conference 9/69
> [Aug 22 13:20:00] VERBOSE[748] logger.c:     -- Hungup 'Zap/69-1'
> 
> Does anyone know if there is some type of native echo canceller in the
> astribanks that could be affecting this ? Or anything else I could try ?
> Looking at /proc/oslec/info shows that oslec is not being used at the time.
> 
> If I have the modem connected directly into the phone line, and completely
> bypass the astribank, I get a 50666 connection every time.
> 
> Any suggestions gratefully accepted.
> 
> Thanks,
> Col
> 
> 
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-- 
               Tzafrir Cohen
icq#16849755              jabber:tzafrir.cohen at xorcom.com
+972-50-7952406           mailto:tzafrir.cohen at xorcom.com
http://www.xorcom.com  iax:guest at local.xorcom.com/tzafrir