Re: [cisco-voip] CUCM SIP Early Attended Transfers

[Anthony Holloway]

Thanks guys.  Nick, that's kind of the conclusion I was leaning towards,
and now I have confirmation bias.  ;)  I'll take a look at that flex reach
doc as soon as I can.  Also, Brian, I do have an Annunciator in the MRGL of
the SIP trunk.  Thanks again.

On Mon, Apr 25, 2016 at 2:04 PM, Nick Barnett 
wrote:

> My experience is that it isn't going to give ringback to PSTN phone A
> (step 7) when going back through a CUBE without forcing MTP.
>
> This was called out as a caveat in the SIP integration guide for AT flex
> reach via CUBE.
>
> https://www.cisco.com/c/dam/en/us/solutions/collateral/enterprise/interoperability-portal/flexible-reach.pdf
>
>
>
> On Mon, Apr 25, 2016 at 1:59 PM, Anthony Holloway <
> avholloway+cisco-v...@gmail.com> wrote:
>
>> All,
>>
>> Does anyone have any experience with CUCM, SIP Phones, SIP Trunks, and
>> early attended transfers (AKA hitting the transfer button a second time
>> quickly)?  I'm not hearing ringback on the transferee phone.
>>
>> Components in play:
>>
>> CUCM 10.5(2)
>> CUBE 15.4 (SIP-SIP)
>>
>> Scenario:
>>
>>1. PSTN Phone A calls into enterprise
>>2. IP Phone B answers
>>3. IP Phone B Presses Transfer Key
>>4. PSTN Phone A hears MOH
>>5. IP Phone B Dials Transfer Target and hears ringback
>>6. IP Phone B Presses Transfer Key Again
>>7. PSTN Phone A hears silence until call connects then two way audio
>>
>> I found this reference in the CUCM System Guide on SIP:
>>
>>
>> http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/sip_msg/line_std/11_0_1/CUCM_BK_SB03D18E_00_sip-line-messaging-standard-1101/CUCM_BK_SB03D18E_00_sip-line-messaging-standard-1101_chapter_00.html#CUCM_CN_E798E831_00
>>
>> Specifically these two seemingly contradictory sentences:
>>
>> "The transferee receives a ringback while the target phone is alerting."
>>
>> "The transferee will not receive a ringback although the target is
>> alerting."
>>
>> Seems like it's just not going to work.  What do you think?
>>
>> ___
>> cisco-voip mailing list
>> cisco-voip@puck.nether.net
>> https://puck.nether.net/mailman/listinfo/cisco-voip
>>
>>
>
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Re: [cisco-voip] CUCM SIP Early Attended Transfers

[Nick Barnett]

My experience is that it isn't going to give ringback to PSTN phone A (step
7) when going back through a CUBE without forcing MTP.

This was called out as a caveat in the SIP integration guide for AT flex
reach via CUBE.
https://www.cisco.com/c/dam/en/us/solutions/collateral/enterprise/interoperability-portal/flexible-reach.pdf



On Mon, Apr 25, 2016 at 1:59 PM, Anthony Holloway <
avholloway+cisco-v...@gmail.com> wrote:

> All,
>
> Does anyone have any experience with CUCM, SIP Phones, SIP Trunks, and
> early attended transfers (AKA hitting the transfer button a second time
> quickly)?  I'm not hearing ringback on the transferee phone.
>
> Components in play:
>
> CUCM 10.5(2)
> CUBE 15.4 (SIP-SIP)
>
> Scenario:
>
>1. PSTN Phone A calls into enterprise
>2. IP Phone B answers
>3. IP Phone B Presses Transfer Key
>4. PSTN Phone A hears MOH
>5. IP Phone B Dials Transfer Target and hears ringback
>6. IP Phone B Presses Transfer Key Again
>7. PSTN Phone A hears silence until call connects then two way audio
>
> I found this reference in the CUCM System Guide on SIP:
>
>
> http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/sip_msg/line_std/11_0_1/CUCM_BK_SB03D18E_00_sip-line-messaging-standard-1101/CUCM_BK_SB03D18E_00_sip-line-messaging-standard-1101_chapter_00.html#CUCM_CN_E798E831_00
>
> Specifically these two seemingly contradictory sentences:
>
> "The transferee receives a ringback while the target phone is alerting."
>
> "The transferee will not receive a ringback although the target is
> alerting."
>
> Seems like it's just not going to work.  What do you think?
>
> ___
> cisco-voip mailing list
> cisco-voip@puck.nether.net
> https://puck.nether.net/mailman/listinfo/cisco-voip
>
>
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Re: [cisco-voip] CUCM SIP Early Attended Transfers

[Brian Meade]

CUCM pulls in an annunciator for ringback during blind transfers.  Make
sure the SIP Trunk MRGL has access to an annunciator.

On Mon, Apr 25, 2016 at 2:59 PM, Anthony Holloway <
avholloway+cisco-v...@gmail.com> wrote:

> All,
>
> Does anyone have any experience with CUCM, SIP Phones, SIP Trunks, and
> early attended transfers (AKA hitting the transfer button a second time
> quickly)?  I'm not hearing ringback on the transferee phone.
>
> Components in play:
>
> CUCM 10.5(2)
> CUBE 15.4 (SIP-SIP)
>
> Scenario:
>
>1. PSTN Phone A calls into enterprise
>2. IP Phone B answers
>3. IP Phone B Presses Transfer Key
>4. PSTN Phone A hears MOH
>5. IP Phone B Dials Transfer Target and hears ringback
>6. IP Phone B Presses Transfer Key Again
>7. PSTN Phone A hears silence until call connects then two way audio
>
> I found this reference in the CUCM System Guide on SIP:
>
>
> http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/sip_msg/line_std/11_0_1/CUCM_BK_SB03D18E_00_sip-line-messaging-standard-1101/CUCM_BK_SB03D18E_00_sip-line-messaging-standard-1101_chapter_00.html#CUCM_CN_E798E831_00
>
> Specifically these two seemingly contradictory sentences:
>
> "The transferee receives a ringback while the target phone is alerting."
>
> "The transferee will not receive a ringback although the target is
> alerting."
>
> Seems like it's just not going to work.  What do you think?
>
> ___
> cisco-voip mailing list
> cisco-voip@puck.nether.net
> https://puck.nether.net/mailman/listinfo/cisco-voip
>
>
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[cisco-voip] CUCM SIP Early Attended Transfers

[Anthony Holloway]

All,

Does anyone have any experience with CUCM, SIP Phones, SIP Trunks, and
early attended transfers (AKA hitting the transfer button a second time
quickly)?  I'm not hearing ringback on the transferee phone.

Components in play:

CUCM 10.5(2)
CUBE 15.4 (SIP-SIP)

Scenario:

   1. PSTN Phone A calls into enterprise
   2. IP Phone B answers
   3. IP Phone B Presses Transfer Key
   4. PSTN Phone A hears MOH
   5. IP Phone B Dials Transfer Target and hears ringback
   6. IP Phone B Presses Transfer Key Again
   7. PSTN Phone A hears silence until call connects then two way audio

I found this reference in the CUCM System Guide on SIP:

http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/sip_msg/line_std/11_0_1/CUCM_BK_SB03D18E_00_sip-line-messaging-standard-1101/CUCM_BK_SB03D18E_00_sip-line-messaging-standard-1101_chapter_00.html#CUCM_CN_E798E831_00

Specifically these two seemingly contradictory sentences:

"The transferee receives a ringback while the target phone is alerting."

"The transferee will not receive a ringback although the target is
alerting."

Seems like it's just not going to work.  What do you think?
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