Audio Quality

Hardware and Firmware

WLAN Infrastructure

IP-PBX and SIP Server Support

Accessory Support

While Internet voice services delivered by Internet Telephony Service Providers (ITSPs) may also be based on SIP, HP has done no testing or validation of interoperability with these services at this time.

2Media and Signaling Protocols

This category is related to the industry protocols that exist today for carrying control messages and media messages.

Supported:

SIP – Session Initiation Protocol for Signaling [RFC 3261]

G.711 – Audio codec for compression/decompression of voice. Both A-law and u-law variants are included.

Not Supported:

H.323 – signaling protocol used in some IP-PBXs

SCCP – Cisco’s proprietary call control protocol for Unified CallManager.

G.729 – Compressed audio codec more suitable for voice over WLAN compared to G.711

Secure RTP [SRTP] – secure version of the RTP protocol [RFC 3711]

A full list of the standards supported and not supported is included in Appendix A of this document.

3 Telephony Features

This category is related to the standard telephony features available in a VoIP implementation.

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HP 512 manual Media and Signaling Protocols, Telephony Features

512 specifications

The HP 512 is a pioneering marvel in the domain of computing, designed to cater to a multitude of users seeking reliability and performance. As an advanced model in HP's lineup, the 512 exemplifies cutting-edge technologies and features that accommodate professionals and everyday users alike.

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In conclusion, the HP 512 stands out for its blend of performance, portability, and user-centric features, making it a compelling option for anyone in search of a reliable computing device. With a focus on combining cutting-edge technology with practical functionality, it is well-suited for the demands of modern users.