[Asterisk-Dev] CFAS misnumbering of spans?

Chris A. Icide chris at netgeeks.net
Mon Dec 13 16:26:00 MST 2004


Thanks,

That nailed it.  I'll add this info to the wiki.

-Chris

On 02:46 PM 12/13/2004, Schaefer, Mark wrote:
 >We had this problem.  The problem is that the switch on the other end maps
 >the spans from 0 and not from one.  You can solve this by the following:
 >(subtract one from the logical span number for each circuit)
 >
 >spanmap => 1,1,1
 >spanmap => 2,1,3
 >spanmap => 5,1,0
 >spanmap => 6,1,2
 >spanmap => 9,1,4
 >
 >	Or you can wait a few weeks for Digium to get back to you.
 >
 >-----Original Message-----
 >From: asterisk-dev-bounces at lists.digium.com
 >[mailto:asterisk-dev-bounces at lists.digium.com]
 >Sent: Monday, December 13, 2004 5:05 PM
 >To: asterisk-dev at lists.digium.com
 >Subject: [Asterisk-Dev] CFAS misnumbering of spans?
 >
 >
 >I posted this to -users last week but got no response.
 >
 >I've got a system with 5 pri circuits configured into a CFAS group with a
 >primary and secondary d channel.
 >
 >There are three TE410P cards in the system.
 >
 >The 5 circuit span are located as follows:
 >
 >circuit 1 on span 5 (card 2 span 1)
 >circuit 2 on span 1 (card 1 span 1)
 >circuit 3 on span 6 (card 2 span 2)
 >circuit 4 on span 2 (card 1 span 2)
 >circuit 5 on span 9 (card 3 span 2)
 >
 >primary d chan is on chan 24 of span 5 (chan 120)
 >secondary d chan is on chan 24 of span 1 (chan 24)
 >
 >T1 circuits are configured correctly in zaptel.conf and show up and good
 >
 >zapata looks like this:
 >
 >trunkgroup => 1,120,24
 >
 >spanmap => 1,1,2
 >spanmap => 2,1,4
 >spanmap => 5,1,1
 >spanmap => 6,1,3
 >spanmap => 9,1,5
 >
 >[channels]
 >signalling=pri_cpe
 >switchtype=national
 >pridialplan=unknown
 >
 >;group 1
 >
 >group=1
 >context=cfas-in
 >channel=1-23
 >channel=25-48
 >channel=97-119
 >channel=121-144
 >channel=193-216
 >
 >----------
 >
 >pri show span 5 (seems it sets the span number by the physical span with
 >the primary d channel) shows:
 >
 >localhost*CLI> pri show span 5
 >Primary D-channel: 120
 >Status: Provisioned, Up, Active
 >Switchtype: National ISDN
 >Type: CPE
 >Window Length: 0/7
 >Sentrej: 0
 >SolicitFbit: 0
 >Retrans: 0
 >Busy: 0
 >Overlap Dial: 0
 >T200 Timer: 1000
 >T203 Timer: 10000
 >T305 Timer: 30000
 >T308 Timer: 4000
 >T313 Timer: 4000
 >N200 Counter: 3
 >
 >Secondary D-channel: 24
 >Status: Provisioned, Up, Standby
 >Switchtype: National ISDN
 >Type: CPE
 >Window Length: 0/7
 >Sentrej: 0
 >SolicitFbit: 0
 >Retrans: 0
 >Busy: 0
 >Overlap Dial: 0
 >T200 Timer: 1000
 >T203 Timer: 10000
 >T305 Timer: 30000
 >T308 Timer: 4000
 >T313 Timer: 4000
 >N200 Counter: 3
 >
 >---
 >
 >When the system is started, or I issue a ztcfg command, I see the following:
 >
 >Dec 10 13:31:40 WARNING[5649]: chan_zap.c:7569 pri_dchannel: Restart
 >requested on odd/unavailable channel number 0/1
 >
 >I get this for 0/1 through 0/23
 >
 >When an inbound call to this CFAS group is placed, I receive the following:
 >
 >Dec 10 13:43:06 WARNING[5649]: chan_zap.c:7640 pri_dchannel: Ring requested
 >on unconfigured channel 0/1 on span 5.
 >
 >
 >
 >What am I doing wrong here to cause this unconfigured error?  The provider
 >is seeing both of my d channels, so I have the spans mapped right.
 >
 >-Chris
 >
 >
 >
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