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Configuration Note 2. Component Information

Microsoft Lync and XO Technology SIP Trunk 13 AudioCodes Mediant E-SBC

2.4.1 Environment Setup

The interoperability test topology includes the following environment setup:

Table 2-4: Environment Setup

Area Setup

Network

 Microsoft Lync Server 2013 environment is located on the

Enterprise's LAN

 XO Communications SIP Trunk is located on the WAN

Signaling

Transcoding

 Microsoft Lync Server 2013 operates with SIP-over-TLS

transport type

 XO Communications SIP Trunk operates with SIP-over-UDP

transport type

Codecs

Transcoding

 Microsoft Lync Server 2013 supports G.711A-law and

G.711U-law coders

 XO Communications SIP Trunk supports G.711U-law and G.729

coders

Media Transcoding

 Microsoft Lync Server 2013 operates with SRTP media type

 XO Communications SIP Trunk can operate with the RTP media

type

2.4.2 Known Limitations

XO Communications SIP Trunk doesn’t send early media DTMF.

When the Lync client is configured to have a call forward to an early media IVR, the PSTN

user is unable to navigate the IVR menu using DTMF.

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AudioCodes Mediant 3000 Manuale Utente Pagina 13