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I'm trying to use Twilio to send and receive SMS on my iPhone. I've gotten inbound and outbound calling set up following these instructions. I'd like the equivalent instructions for SMS. I'm presently using Zoiper as a SIP client, but that's flexible.

The phone number configuration page (from here click a phone number) has a section called "Messaging" which allows one to configure a TwiML bin. However, I haven't been able to find any documentation about how to configure SMS over SIP, let alone TwiML code.

brandones
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    I don't believe you send SMS over SIP. SMS uses a protocol called SMPP. I couldn't see anywhere in the Zoiper documentation that mentioned SMS messages either. – philnash Aug 31 '18 at 01:11
  • Zoiper does have a "Chat" section. The two kinds of accounts it seems to support, though, are SIP and IAX. Presumably at least one of these supports messaging. – brandones Aug 31 '18 at 22:36
  • When I try to send messages via Zoiper (with a SIP account registered and successfully making/receiving calls via Twilio), I see a little red X icon, and the details say `Error: Request Timeout (408)`. I can't find anything in [Twilio's SMS TwiML docs](https://www.twilio.com/docs/sms/twiml/message) about sending an SMS to SIP. – Jonathon Reinhart Jan 16 '21 at 04:09

1 Answers1

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Twilio doesn't support SMS or Video over SIP, only Voice. Sorry about that! let me know if you have any other question related to this.

Bilal Mehrban
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  • Any reference to official Twilio documentation? As this stands, it just sounds like you're speaking on behalf of Twilio. – Jonathon Reinhart Jan 20 '21 at 14:59
  • I would like to correct you that I am not linked to Twilio in any way. I have been working on Twilio services for quite some time and the answer was based on my experience as I have already tried this previously. @Phil nash is Twilio Evangelist, he can also confirm the same. – Bilal Mehrban Jan 20 '21 at 15:20
  • If you need to confirm it by the Twilio team. Submit a ticket here: https://www.twilio.com/console/support/tickets/create – Bilal Mehrban Jan 20 '21 at 15:27