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This is the support site for Andrews & Arnold Ltd, a UK Internet provider. Information on these pages is generally for our customers but may be useful to others, enjoy!

VoIP - Calling With a SIP URI: Difference between revisions

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Mention voipfone's softphone app - probably the easiest to get going
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m (Mention voipfone's softphone app - probably the easiest to get going)
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sip:number@aa.org.uk
 
A call to a URI like this will be delivered just like a normal incoming call. Except the caller won't incur any call charges.
 
The format of your number should be in +44 format, e.g. to call AAISP support you'd use:
*So, for example, without any configuration or account details a softphone may call your A&A provided VoIP number, as shown in the image here.
*As mentioned, this does require the client (the phone you're calling from) to support SRV records.
 
==Known working clients==
You may need to tell some of your contacts how to call you using a sip: URI. To help, the following SIP clients are known to work:
 
===Softphones===
* Ekiga (Linux)
* Linphone 4.0.1 (Android)
* Twinkle (Linux) - although currently (Dec 2018) there's a problem with SRV records when using systemd-resolved (on Ubuntu and Debian at least)
* Voipfone Softphone (Android) deserves a mention. It needs an account with voipfone.co.uk, but you can signup and try for free. Their softphone app just works out of the box for calling SIP URIs
 
==Known not-working clients==
* Linphone 3.6.1 (Linux) - doesn't use SRV DNS records
* CSipSimple, GS Wave - need a SIP account to be enabled
* Zoiper (Android) - appears at first to work, but closer examination shows that it uses the SIP account to place calls (even when that account is disabled)
 
[[Category:VoIP Features]]
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