Audio Quality
Hardware and Firmware
WLAN Infrastructure
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
Not Supported:
H.323 – signaling protocol used in some
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.