· Lync/OCS, Huawei IMS and Asterisk Tel via software upgrading, 02-7744-7700 avoiding repeated...
2
· Lync/OCS, Huawei IMS and Asterisk Tel via software upgrading, 02-7744-7700 avoiding repeated investments. . IMG58(A) Protocols SIP(RFC3261) MGCP WIS Network Media Processing Caller