SINREY SIP711V is a wall-mounted help intercom terminal with 10/100M Ethernet interface and supports G.711 audio decoding. It receives audio data from SIP network and decodes and plays it in real time.

SINREY SIP804V is a two-button help intercom microphone with 10/100M Ethernet interface and supports G.711 audio decoding. It receives audio data from SIP network, decodes and plays it in real time, and is also equipped with microphone input and speaker output.

The SIP2703V network audio module supports the standard sip protocol and can be used with other SIP terminals in the standard SIP system. It supports G.711a/u and G.722 audio codec protocols and can be used for applications such as VoIP and IP paging and high-quality music streaming.

- Pin Type SIP Protocol Intercom Module.
- Support SIP protocol— SIP v1 (RFC2543), v2 (RFC3261)
- Supports peer-to-peer SIP intercom off the SIP server
 

- Support SIP protocol— SIP v1 (RFC2543), v2 (RFC3261)
- Support TCP Play Protocol
- Supports peer-to-peer SIP intercom off the SIP server
- Socket Type SIP Protocol Intercom Module Board