Communication Manager connection |
H.323 deskphone connections are made on the line side of Communication Manager. |
SIP deskphone connections are made on the trunk side of Communication Manager. |
Server requirement |
H.323 deskphones register with Communication Manager. |
SIP deskphones register with Session Manager. |
Backup and restore |
H.323 deskphones use HTTP to store backup files. |
SIP deskphones use Personal Profile Manager (PPM) to store backup files. |
Settings file and system parameters |
The settings file is the same for the both types of deskphones, but some system parameters vary. In H.323 deskphones, the OPSTAT and APPSTAT parameters control each user interface function. |
In SIP deskphones, parameters such as ENABLE_CONTACTS and ENABLE_CALL_LOG control each user interface function. In place of APPSTAT, there are parameters such as ENABLE_REDIAL, ENABLE_REDIAL_LIST, ENABLE_MODIFY_CONTACTS, ENABLE_CONTACTS and ENABLE_CALL_LOG. In place of OPSTAT, there are parameters such as PROVIDE_OPTIONS_SCREEN, PROVIDE_LOGOUT, and PROVIDE_NETWORKINFO_SCREEN. |
Quality of Service (QoS) |
H.323 deskphones use Communication Manager to set QoS. |
SIP deskphones use parameters, such as L2QUAD, L2QSIG, DSCPAUD, and DSCPSIG, to set QoS. |
Language support |
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