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Emergency Responder and +E.164 manual assignment for analog lines

At one time in older releases, CER documentation had a note that you could not manually configure Line Numbers with PLUS (+) E.164 formatted numbers for Analog (VG FXS) lines.

 

I do not see that note in the current Cisco Emergency Responder Administration Guide for Release 12.5(1)SU2

 

Instead I see the note

"Manually configured phones can have E.164 and non-E.164 line numbers."

in the "Manually Define Phones" section.

 

No mention of +

 

Is this okay now in current release (12.5.1SU2 CM and CER 12.5(1.21900.35)) to use +E.164 formatted numbers in Analog devices, and manually configure them for ERL in CER?

 

As far as I know "+"E.164 manual number assignment was always okay for IP Devices.  The prior caution seemed aimed at Analog devices in the VGs and ISRs specifically.

 

Our Telephony Settings - Use IP Address from call signaling - is "disabled", so IP of the gateway is not involved.

 

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Re: Emergency Responder and +E.164 manual assignment for analog lines

AFAIK it’s okay to have DNs in +E.164 on any device type in combination with CER. The term +E.163 is really interchangeable with E.164 as there isn’t any differentiation in documentation from ITU related to this.

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