The IP phone number is a star product in Cisco Unified Communications. Everyone knows that, as an IP-based voice mode, it is very cost-effective. Naturally, this market is also very optimistic. Now let's take a look at Cisco's Unified Communication telephone and communication devices.
Cisco Unified Communication telephone and communication equipment
SIP provides a standard-based method for connecting compatible phones and other communication devices to the enterprise telephone system. Users of these devices can also benefit from the SIP in-network status function, which helps users define their own availability and understand the status of the caller.
Cisco uniied IP phone number
Cisco uniied IP 7905G, 7911G, 7912G, 7940G, 7941G, 7941G-GE, 7960G, 7961G, 7961G-GE, 7970G, and 7971G-GE comply with the sip rfc. Cisco uniied IP phones provide SCCP and SIP with Ethernet feeder power supply, QoS and security, as well as automatic telephone configuration and verification.
In Cisco uniied CallManager and Cisco uniied CallManager Express, configure, register, and manage Cisco IP Phones 7905G, 7912G, 7940G, and 7960G for SIP, it is as simple as in Cisco Unified Communication SCCP. This simplicity protects existing phone investment when the customer migrates to the SIP.
The SIP user interfaces of enhanced Cisco uniied IP phones-7911G, 7941G, 7941G-GE, 7961G, 7961G-GE, 7970G, and 7971G-GE are very similar to those of SCCP, feature similarity will also be added in future versions of Cisco uniied CallManager and Cisco uniied CallManager Express. Customers using enhanced Cisco uniied IP phones can obtain investment protection and meet future development needs of SIP deployment.
When selecting an IP Phone Number shared with Cisco uniied CallManager, the customer should consider Advanced Call features, manageability, security, maintainability, service support, price, and other factors. Cisco is committed to providing the best cost-effective SIP-compatible phones. Cisco Unified IP Phones compatible with SIP provide features defined in the standard and more features developed by Cisco.
For details about Cisco Unified Communication, visit: www.cisco.com/go/ipphones.
Third-party SIP Phone
Cisco uniied CallManager 5.0, Cisco uniied CallManager Express 3.4, and Cisco uniied custom vable Remote Site Telephony 3.4 support devices that comply with the sip rfc.
Cisco recognizes qualified third-party SIP calls in the Cisco technology developer program. These calls will also undergo external tests to verify interoperability with Cisco's Unified Communication System.