Sip Features - AudioCodes MediaPack MP-108 User Manual

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Restart button on the back panel that restarts the MP-11x gateway, and is also used to
restore the MP-11x parameters to their factory default values.
1.4.4

SIP Features

The MediaPack SIP gateway complies with the IETF RFC 3261 standard.
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Reliable User Datagram Protocol (UDP) transport, with retransmissions.
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Transmission Control Protocol (TCP) Transport layer.
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SIPS using TLS (MP-11x only).
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T.38 real time fax (using SIP).
Note: If the remote side includes the fax maximum rate parameter in the Session Description
Protocol (SDP) body of the INVITE message, the gateway returns the same rate in the
response SDP.
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Works with Proxy or without Proxy, using an internal routing table.
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Fallback to internal routing table if Proxy is not responding.
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Supports up to four Proxy servers. If the primary Proxy fails, the MediaPack automatically
switches to a redundant Proxy.
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Supports domain name resolving using DNS SRV records for Proxy, Registrar and domain
names that appear in the Contact and Record-Route headers.
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Proxy and Registrar Authentication (handling 401 and 407 responses) using Basic or Digest
methods.
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Single gateway Registration or multiple Registration of all gateway endpoints.
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Configuration of authentication username and password per each gateway endpoint, or
single username and password per gateway.
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Supported methods: INVITE, CANCEL, BYE, ACK, REGISTER, OPTIONS, INFO, REFER,
NOTIFY, PRACK, UPDATE and SUBSCRIBE.
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Modifying connection parameters for an already established call (re-INVITE).
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Working with Redirect server and handling 3xx responses.
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Early media (supporting 183 Session Progress).
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PRACK reliable provisional responses (RFC 3262).
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Call Hold and Transfer Supplementary services using REFER, Refer-To, Referred-By,
Replaces and NOTIFY.
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Call Forward (using 302 response): Immediate, Busy, No reply, Busy or No reply, Do Not
Disturb.
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Supports RFC 3327, Adding 'Path' to Supported header.
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Supports RFC 3581, Symmetric Response Routing.
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Supports RFC 4028, Session Timers in SIP.
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Supports network asserted identity and privacy (RFC 3325 and RFC 3323).
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Supports Tel URI (Uniform Resource Identifier) according to RFC 2806 bis.
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Remote party ID <draft-ietf-sip-privacy-04.txt>.
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Supports obtaining Proxy Domain Name(s) from DHCP (Dynamic Host Control Protocol)
according to RFC 3361.
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RFC 2833 relay for Dual Tone Multi Frequency (DTMF) digits, including payload type
negotiation.
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DTMF out-of-band transfer using:
MediaPack SIP User's Manual 20
MediaPack SIP
Document #: LTRT-65405