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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 - Caller Display: Difference between revisions

Document the caller's number and name fields
(Caller info obtained from SIP URIs may not be just numeric)
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(Document the caller's number and name fields)
 
Where an incoming call has been made using a [[VoIP_-_Calling_With_a_SIP_URI|SIP URI]] rather than the PSTN the 'number' of the person calling cannot be trusted (and may be not purely numeric) , and so we prefix that 'number' with a '?' to indicate the potential untrustworthyness.
 
==Caller's Number and Name==
The protocol used (SIP) to deliver phone calls to you has fields which provide the caller's number and the caller's "name" - although the name will probably not be received for calls from the PSTN. Where the name field received is the same as the number field, we will send to you the name field set to the "pretty format" of the caller's number - e.g. "020 1234 5678", "07973 123456". If the name field is set to something different than the number then it will be passed on to you - in general this will only apply to calls from other AAISP customers, or from calls received using sip: URIs.
 
Your local hardware will display either the number, the name, or both (or neither if it has no display..). If you have an Analogue Telephone Adaptor set to sending caller display to your analogue phone(s) using BT's SIN 227 standard, then this standard also has fields for caller's number and caller's name and those fields will be populated.
 
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