[asterisk-ss7] No audio using libss7 over E1

[David Wilson]

Thank you Krzysztof,

Please find my responses below.

>Disable one E1 - by not configuring it - as far as dahdi.conf level -
>it should pull an alarm on your telco friend so you will be sure that
>your second E1 is his "1st" or "2nd".
Ok great. I will do that.

>Yes and no. You send "block channel nr 7" and he responded "ok the 7th
>is blocked" but it does not say that CIC no. 7 is 6th or 7th or 8th
>timeslot on port one, or on port two of your asterisk box / sangoma
>card. The block does mean that you do not place new calls on this CIC
Ok. Agreed.

>You - don't. Your party - provably - has.
>If he has - the CIC no 63 that it means for me - it's some misconfiguration.
>  (Two E1 could take at top - two times 30 - so 60 CIC without any
>signaling link, and at least one is a must).
Yes. I agree.

>Carefully - setup one E1 - by configuring only one, and double check
>the cables and CIC numbering.
Ok. I will call my provider again tomorrow and try what you have suggested. Hopefully we get it working! :)

Thank you for all your assistance so far.







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Kind regards,

David Wilson
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On 08/01/2012 08:26 PM, Krzysztof Drewicz wrote:
> 2012/8/1 David Wilson<dave at dcdata.co.za>
>>
>> The system is in another African country so instead of me physically
>> pulling out the E1 cable from the system I tested by 'blocking' certain CICs
> Block is just "send some block info and wait for ack" as "send IAM"
> etc. It does not concern any cabling/ logical CIC matching the
> hardware.
> Disable one E1 - by not configuring it - as far as dahdi.conf level -
> it should pull an alarm on your telco friend so you will be sure that
> your second E1 is his "1st" or "2nd".
>
>
>> in my linkset1 by using the 'ss7 block cic 1 [channel]' command. The
>> provider said that he could see the corresponding blocked CICs and they
>> appeared to match up to his CICs.
> Yes and no. You send "block channel nr 7" and he responded "ok the 7th
> is blocked" but it does not say that CIC no. 7 is 6th or 7th or 8th
> timeslot on port one, or on port two of your asterisk box / sangoma
> card. The block does mean that you do not place new calls on this CIC
>
>> [Aug  1 20:01:21] VERBOSE[30284] chan_dahdi.c: Resetting CIC 47
>> [Aug  1 20:01:21] WARNING[30284] chan_dahdi.c: RSC on unconfigured CIC 47
>> [Aug  1 20:01:51] VERBOSE[30284] chan_dahdi.c: Resetting CIC 63
>> [Aug  1 20:01:51] WARNING[30284] chan_dahdi.c: RSC on unconfigured CIC 63
>> Could this possibly confirm the CIC alignment problem that we suspect? I
>> don't have a bchan/CIC configured for 47 or 63
> You - don't. Your party - provably - has.
> If he has - the CIC no 63 that it means for me - it's some misconfiguration.
>   (Two E1 could take at top - two times 30 - so 60 CIC without any
> signaling link, and at least one is a must).
>
> Carefully - setup one E1 - by configuring only one, and double check
> the cables and CIC numbering.
>
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