[cisco-voip] SRST/Analog Phone question

[Ed Leatherman]

Worked like a charm, didnt know i could share lines with MGCP. I just need
to get everything squared away for MGCP Fallback to work and i'll be set,
thanks!

On 8/30/06, Wes Sisk <wsisk at cisco.com> wrote:
>
>  Ed,
>
> You will need to make your FXS port MGCP controlled by CM.  Leave the FXO
> port as h323.
> Then either make a shared line between the fxs port and your ipphones or
> use a linegroup to ring them all concurrently.
>
> /Wes
>
> Ed Leatherman wrote:
>
> I'm trying to setup an SRST installation at a location with about 20 IP
> phones + 3 analog lines. I have a pots line from the phone company to an FXO
> port both for PSTN access when in survivability mode, and also in general
> for calls to come in (the number is published). This line is to ring both on
> the IP phones and also on an analog line. I'm using H323 so I can get
> callerid from the FXO.
>
> I'm having a little difficulty setting up the analog line. I had hoped to
> just use a 4FXS VIC in the router to handle the analog needs, but I'm
> running into a problem with it. When a call comes in on the FXO line, i'm
> sending it out to call manager to ring the line on the IP Phones and also
> back into the router to ring the FXS line with that number. When this
> happens and I answer the set on the FXS port, I get fast busy on the calling
> phone and dead air on the analog set.
>
> I set up the FXS ports as H323 enpoints pointing at another loopback
> interface on the router, this was the only way I could figure to have them
> act like a shared line with the IP sets but I think this is where I went
> wrong. Is there a way to get these to ring simultaneously with IP Phones
> correctly, or should i give up on the FXS ports and use a couple ATAs.
>
> --
> Ed Leatherman
> Senior Voice Engineer
> West Virginia University
> Telecommunications and Network Operations
>
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>


-- 
Ed Leatherman
Senior Voice Engineer
West Virginia University
Telecommunications and Network Operations
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