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Talk:SMS: Difference between revisions
→Incoming messages
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# This mainly relies on voicemail being able to activate based on caller phone number, so if it is a SMS relay service such as BT Text or AQL calling, divert to voicemail:
# Then optionally play the initial FSK communication of ETSI ES 201 912, in the SM-TE role, to have a chance to get the SMS digitally
# If the caller (SM-SC) replies with FSK quickly in accordance with ETSI ES 201 912 then accept the SMS digitally and deliver as an [[SMS#Inbound_SMS|Inbound SMS]], otherwise:
# send dialpad digits to have SM-SC play SMS as text-to-speech
# then record it like voicemail, attempt send the recording [[VoIP_-_Voicemail|via email]] and if successful, ask the SM-SC to delete the delivered SMS, then end the call.
== End user equipment interaction ==
End user SIP equipment may support ETSI ES 201 912 over RTP, if so then:
* VoIP supplier could implement that by divert outgoing calls to well known SM-SC numbers to the provider SM-SC
* Also have an option to rôle switch to SM-SC to deliver messages to it, after having [[SMS#Itemised_billing|logged them]], if customer wanted that.
= Experimenting =
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