2.26.3 Integration with Communication BridgeDescriptionThis PBX can integrate with Poltys® Communication Bridge and a softphone specified by Poltys as the mobileclient, which is called the Mobile UC (Unified Communication).A Mobile UC is software that enables features such as presence detection and text chat on a SIP softphonefor a smartphone or tablet. The Mobile UC operates as a SIP telephone, which means it can provide basictelephone features such as transfer and hold.Conditions• Activation keys are required to enable Communication Bridge integration. Some activation keys arepreinstalled on the mother board.• A Mobile UC is registered to the PBX as a general SIP phone. Therefore, the same activation keyregistration is necessary as for other general SIP phones.• A Mobile UC connects to the PBX via a Media Relay Gateway or a VPN.• For details about Poltys CA RCS, refer to the corresponding documents.• If a Mobile UC is used with the One-numbered Extension feature, CTI control will be applied to the mainextension number of the one-numbered extension.Installation Manual References8.6.23 VPN—IPsecPC Programming Manual References7.7.1 Utility—Email Notification—Alert9.3 PBX Configuration—[1-1] Configuration—Slot—Activation Key StatusFeature Guide References2.11.10 One-numbered Extension2.26.2 CA (Communication Assistant)Feature Guide 2712.26.3 Integration with Communication Bridge