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CER - DiD Utilization for PSAP Callback

dmh070853
Level 1
Level 1

Can a customer use their established DIDs for PSAP callback rather than buying new DIDs. Do you know if that's possible with CER? Can CER just pass through the real DID to the PSAP, or do you have to get new DIDs to assign to each ERL?

3 Replies 3

ebreniz
Level 6
Level 6

To set up the ELIN numbers, you must first obtain direct inward dial (DID) numbers from your service provider. Because you must pay for each number, you might want to limit the number of DIDs you obtain to two or three per ERL. The DIDs must be unique for each ERL.

http://www.cisco.com/en/US/products/sw/voicesw/ps842/products_administration_guide_chapter09186a00800d768c.html

Do the DIDs need to be in sequential order?

Thanks!

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