[asterisk-users] T1 with Robbed Bit Signaling

[Jeff LaCoursiere]

On Tue, 16 Nov 2010, Cary Fitch wrote:

> So you are using RBS for CO to Asterisk, and SIP for Asterisk to subscriber.

In one flavor, yes - our residential dialtone service.  We also have PBX 
customers that have their own RBS T1 to the CO for their own use.  SIP 
phones on their desktops of course, so I guess its similar, but all within 
a LAN.

> How does the Telco send you the called party info and you to them? DTMF?
> What signaling system is being used? E&M or?

DID info comes in via DTMF I believe.  All of our T1s are E&M Wink, ESF.

>
> We are trying to get DS0 EELs from the Telco via T1s and are not sure what
> their trunk scheme will be. We are guessing it will be RBS T1s with DTMF
> from the customer premises.

To connect two remote offices?  Why don't you use SIP/IAX over the net or 
over a tunnel?

At any rate, Dahdi should be able to handle whatever flavor they give you.

j

>
> To enhance the question:  Is anyone on list getting customer loop EELs from
> a US (AT&T) Telco, and if so, what flavor and other details?
>
> Cary Fitch
>
>
> bounces at lists.digium.com] On Behalf Of Jeff LaCoursiere
>
> On Tue, 16 Nov 2010, Cary Fitch wrote:
>
>> Has anyone here used T1s with RBS with asterisk?
>>
>> Cary Fitch
>>
>
> All of my T1s are RBS.  No PRI service here.  Am using both Digium and
> Sangoma cards.
> LaCoursiere
> ============
> So you are using RBS for CO to Asterisk, and SIP for Asterisk to subscriber.
>
> How does the Telco send you the called party info and you to them? DTMF?
> What signaling system is being used? E&M or ???
>
> We are trying to get DS0 EELs from the Telco via T1s and are not sure what
> their trunk scheme will be. We are guessing it will be RBS T1s with DTMF
> from the customer premises.
>
> To enhance the question:  Is anyone on list getting customer loop EELs from
> a US (AT&T) Telco, and if so, what flavor signaling,  and other details?
>
> Cary Fitch
>
> -- 
>
>
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