AASTRA MX-ONE_A700_MS Lync 2010 Quick Setup Guide - Manual (Page 5)

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2.2 Direct SIP signalling overview
Aastra MX-ONE supports SIP/TCP or SIP/TLS as the SIP transport mechanism when connected with
Mediation Server.
The ports used for such connections are:
• SIP/TCP: 5060
• SIP/TLS: 5061
SI
P/T
LS: 5067
Figure 3 - Solution integration Direct SIP signaling
2.3 Direct SIP supported features
During the certification process the following Lync features were validated with MX-ONE Telephony
Server software V.4.1 SP3.
• Basic Call services between MX-ONE and Lync end-points over SIP trunks
• Anonymous user calls
• Caller ID on both sides
• Decline call
• Call forwarding and simultaneously ring feature
• Inbound and outbound calls
• Media bypass (a.k.a. direct media between MX-ONE and Lync clients). Encryption (TLS
and STRP) is required for this functionality.
• Inbound call from MX-ONE user device to Lync client
• Outbound call from Lync client to MX-ONE user device
• Outbound call: Call Forward All (CFA) to another Lync client
• Outbound call from Lync with by-pass enabled and CFA enabled to another Lync
user
• Outbound call: PBX CFB (Call Forward on Busy) to another Lync user
• Outbound call from Lync with by-pass enabled and CFB enabled to another Lync user
• Conference
• Failover (to secondary Lync gateway)
• Security (support for TLS/SRTP encryption)