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Mitel Forums => Mitel MiVoice Business/MCD/3300 => Topic started by: Tech Electronics on November 28, 2017, 02:56:18 PM

Title: Conferencing shows Invalid when dialing the second number
Post by: Tech Electronics on November 28, 2017, 02:56:18 PM

Mitel Gurus,

So, I have a system that uses SIP Trunks for outgoing calls. When the customer tries to setup a conference it gives an Invalid error on the phone and provides an error tone in the handset.

Steps.

1. Dialed first number. OK
2. Press Transfer/Conference Key
3. Dial 8+ second number. Invalid

At that point I tried to make it work with an internal phone.

1. Dialed first number. OK
2. Press Transfer/Conference Key
3. Dialed DN 1234. OK

Since that worked I tried it a different way.

1. Dialed first number. OK
2. Press Hold
3. Dial 8+ second number.
4. Add Held
5. 3-Party Conference. OK

Now, at this point I can't figure out what the issue is with the conferencing. Hopefully someone here will have an idea that I can try out tomorrow as I have to leave the site at this point.

Thanks,

TE

Title: Re: Conferencing shows Invalid when dialing the second number
Post by: johnp on November 28, 2017, 07:19:38 PM

I think it may be sending  out the held parties caller id

Title: Re: Conferencing shows Invalid when dialing the second number
Post by: sarond on November 28, 2017, 07:48:29 PM

Agree with John,
check your COS for something like "Display Held Call ID on Transfer"

Title: Re: Conferencing shows Invalid when dialing the second number
Post by: Tech Electronics on November 29, 2017, 06:48:38 AM

johnp & sarond,

Although I don't understand it that did fix the problem. I applaud both of you for knowing that one off the cuff.

Thanks,

TE

Title: Re: Conferencing shows Invalid when dialing the second number
Post by: sarond on November 29, 2017, 09:18:22 AM

What happens is that you call the first party, press the transf/conf key and then call the second party. The system is using the held party caller id (that of the first outside party) so the carrier rejects the call because it is not part of your number range.

Title: Re: Conferencing shows Invalid when dialing the second number
Post by: Tech Electronics on November 30, 2017, 06:58:04 AM

sarond,

I keep forgetting about the Transfer portion of the Transfer/Conference button. So, now that my head is on straight, the system doesn't know if I want to do a Transfer or a Conference so the Display Held Call ID on Transfer flag comes into play; got it.

Thanks,

TE