sinrey is a leading China SIP Module manufacturer, supplier and exporter. Adhering to the pursuit of perfect quality of products, so that our SIP Module have been satisfied by many customers. Extreme design, quality raw materials, high performance and competitive price are what every customer wants, and that's also what we can offer you. Of course, also essential is our perfect after-sales service. If you are interested in our SIP Module services, you can consult us now, we will reply to you in time!
- Pin Type SIP Protocol Intercom Module. - Support SIP protocol— SIP v1 (RFC2543), v2 (RFC3261) - Supports peer-to-peer SIP intercom off the SIP server