Enterprise Voice and Network
Enterprise Voice
The communication between the SFB server and the PSTN gateway in the organization & the PBX device realizes the voice call-SIP protocol of VoIP.
Design and deployment
Current voice environment within the organization
PSTN Gateway + PBX
SIP Trunk+PBX
SFB and voice environment integration, through mediation server role
All migrate to SFB environment-deploy mediation server independently
Existing voice environment and SFB mix-juxtaposed to front-end server role
Configure SFB and PSTN integration
Define DNS records for PSTN-GW
Add PSTN-GW to the topology of SFB and publish
Configure the mediation server pool to support TCP connections
Add PSTN Gateway add Mediation Server Information in PSTN Gateway enable Enterprise Voice and assign numbers for SFB users configure SFB Voice function-directly in PSTN-GW&PBX device dialing rules for SFB client outbound operations allow SFB client outbound number type-regular expression Internal extension external landline local landline mobile phone number PSTN usage: the path voice policy to pass the allowed dialed number to the PSTN gateway: voice function, Dial out the gateway to define other configurations SFB server call hosting Unassigned number SFB client configuring Network SFB Environment Network workload https://docs.microsoft.com/zh-cn/skypeforbusiness/technical-diagrams Audio and Video Encoding-bandwidth Planning and device compatibility SFB Audio: conference: G.722 Voice (PSTN): G.711 Point-to-point: SILK video: H.264 QoS: network optimization CAC: call allow control global configuration: all sites enable & disable sites configured with SFB: add IP addresses from different geographic locations to SFB sites for planning media bypass customer endpoint-to-point communication Bypass SFB server to achieve direct communication Qos optimization reference Lync Server 2013 https://technet.microsoft.com/zh-cn/library/gg405409(v=ocs.15).aspx configure QoS policy https://technet.microsoft.com/zh-cn/library/jj205371(v=ocs.15).aspx for client
