[SIPForum-discussion] Automatic Callback (*66) and Automatic Recall (*69)

[Chris Liu]

Hello everyone:

In a pure SIP IP peering voice architecture, without involve of the
deployment of SS7(TCAP), is there any way of offering the Automatic Callback
(*66) and Automatic Recall (*69) feature?

SIP-T is a interesting topic to look but I am thinking SIP is mainly aim at
mapping SIP to ISUP so I do not think it can work this out.

Any input or recommendation or suggestion are welcome.

Thanks

Chris
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