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The "tel" URI has the following syntax: telephone-uri = "tel:" telephone-subscriber telephone-subscriber = global-number / local-number global-number = global-number-digits *par local-number = local-number-digits *par context *par par = parameter / extension / isdn-subaddress isdn-subaddress = ";isub=" 1*uric extension = ";ext=" 1*phonedigit ...
2 gru 2016 · A SIP URI uniquely identifies a SIP subscriber but does not necessarily resolve to one particular endpoint on a network. For example: sip:john@cisco.com. It is also possible to use a directory number as a SIP username and an IP address and port in place of the host domain name.
This document specifies the URI (Uniform Resource Identifier) scheme "tel". The "tel" URI describes resources identified by telephone numbers. This document obsoletes RFC 2806.
SIP and TEL URIs are the address of a VoIP phone in an IP Telephony Network. In this tutorial, we are explaining each addressing type with examples.
This document defines the URI scheme “tel”. The “tel” URI describes resources identified by telephone numbers. A telephone number is “a string of decimal digits that uniquely indicates the public network termination point. The number contains the information necessary to route the call to this termination point.” [4]
The tel URI is service-independent and describes voice calls (phone calls, answering machines and voice messaging systems), facsimile (telefax) calls and data calls, for landline, ISDN and mobile subscribers.
The telephone URI (tel URI) is used to identify resources using a telephone number. SIP allows requests to be sent to a tel URI. This means that the request-URI of a SIP request can contain a tel URI. The tel URI can contain a global number or a local number.
