Signalling protocol software for SIP, H.323, SS7, SIGtrAN, Q.931, Q.SIG and DPNSS

>Signalling protocol software for SIP, H.323, SS7, SIGtrAN, Q.931, Q.SIG and DPNSS: “Protocols and approvals
Worldwide IP and tdM protocols for applications using boards and software from Aculab

Aculab’s protocol coverage extends to the broadest range of worldwide call control and signalling protocols with appropriate, host independent regulatory approvals. the list includes many different national and international variants of Signalling System Number 7 (SS7), CAS and ISDN (including Q.931, Q.SIG and DPNSS), for operation over E1 and T1 trunks on our tdM boards. In addition, for IP telephony and VoIP applications, Aculab offers H.323 and SIP stacks for use with our IP and media processing boards.
Combined protocols

Many applications require voice board or IP-based media processing functionality, such as record, playback, DTMF handling, wideband audio conferencing, encoding/transcoding and T.38 fax. All these essential functions and more are available with Aculab’s Prosody X IP or DSP boards, which can be combined with any protocol, including SIP and SS7, to deliver powerful, cost-effective, telecoms server-based solutions.

In addition, offering the same core functionality, Prosody S, Aculab’s advanced HMP, offers a viable alternative to using IP boards for telco and enterprise applications or service delivery platforms, bringing granular scalability and cost-efficiencies to those familiar with traditional, board-based designs.
Obtaining the software

With the exception of SIGtrAN and Prosody S, which are licensed, all protocols, including SIP and C7, are freely available via a software download utility for use with all of Aculab’s board hardware. Developers can simply collect the protocol firmware, free of charge, when they need it, gaining a distinct advantage in terms of system cost and value per channel.

Access the download utility here
Regulatory approvals

Aculab has obtained many country specific, host independent regulatory approvals, such that Aculab’s boards can be integrated into PC or server-based solutions without further telecom approvals being needed. In regions where this option is not available, Aculab has experience to offer in support of users seeking system level type approvals.

To discuss your requirements, contact your Account Manager or send an email to [email protected] and one of our representatives will get right back to you.

Summary detail

A detailed summary of the available approvals and protocol information can be viewed as a PDF file. Please note that a number of protocols are used throughout the world, (like DPNSS, Q.SIG and SS7) and are indexed as ‘Worldwide’ in the tables.
protocols SS7 protocol
conformance Host independent
approvals China Compulsory
Certification Worldwide
protocol coverage
Protocol IETF Specification Feature description
SIP (session
initiation protocol) RFC 3261 Session initiation protocol
SIP on UDP and TCP
RFC 3262 Reliable provisional responses
RFC 3310 SIP authentication
RFC 2327 Session description protocol (SDP)
RFC 3665 Basic call flow examples
RFC 3666 SIP/PSTN call flows
RFC 3264 Offer/answer model with SDP
RFC 3725 third party call control best practices
RFC 3515 the REFER method
RFC 3204 MIME media types for Q.SIG/ISUP
RFC 2976 INFO method
RFC 3891 Replaces header
Draft-ietf-sipping-service-examples-09 Hold and transfer
Draft-ietf-sipping-cc-transfer-06.txt Blind transfer for SIP
RFC 3892 Referred by header
RFC 3261 TCP support
RFC 3581 Symmetric signalling ports
Draft-ietf-mmusic-sdescriptions-12 Secure RTP support
RFC 4028 SIP session timers
RFC 32651 Subscribe/specific event notification1
RFC 3311 UPDATE method
MRCP (media
resource control
protocol) MRCP v1, draft 7
MRCP v2, draft 11
Protocol ITU-T Specification Feature description
H.323 H.323 version 2 Packet-based multimedia
communications systems
H.225 version 2 Including support for fast-start,
non-standard data field (NSDF),
RAS gatekeeper failover, NSM RAS
and connectionless facility messages
H.245 version 3 Including support for H.245 tunnelling,
third party hold,
early H.245 and DTMF relay
H.450.1; H.450.2; H.450.3; H.450.4; H.450.6 Supplementary services (call transfer,
call diversion, call waiting and call hold)
H.324M1 H.324M Including support for H.223
3G-324M1 Including support for H.223
Note: 1. Roadmap feature, contact your Account Manager for details”

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