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*Please note the analog phones are the Polycom VVX SIP-based phones listed in Table 1, as opposed to an FXS based phone. These Polycom endpoints are considered as "analog" clients from the perspective of the Skype for Business Server 2015, as documented at https://technet.microsoft.com/en-us/library/gg398314(v=ocs.14).aspx

Verify License

The following SBC 1000 licensable features are required for the documented scenarios to work as described:

• SIP Calls (minimum of 1 license)
• SIP Registrations (minimum of 1 license)

Please refer to https://doc.rbbn.com/display/UXDOC61/Viewing+Licenses for a description of licensable features, and for follow-on references regarding license acquisition and submission.

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1. SIP Profile

Select Settings > SIP > SIP Profiles

SIP Profiles control how the Sonus SBC 1000/2000 communicates with SIP devices. These control important characteristics such as session timers, SIP Header customization, SIP timers, MIME payloads, and option tags. The following figure shows the default SIP profile used for the SBC 1000/2000 for this testing effort:

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2. SBC Certificates 

Select Settings > Security > SBC Certificates > Sonus Certificate

By default, after having initialized the Sonus SBC 1000/2000 system for the first time, or after a factory reset, the Sonus SBC 1000/2000 system is pre-configured with a Self-signed Server Certificate.

The process of installing a new Signed Certificate on the Sonus SBC 1000/2000 comprises two general steps which must be followed in this specific order:

1. Generate a Certificate Signing Request (CSR)
2. Obtain and Import the Signed Server Certificate
   
   

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3. TLS Profiles

Select Settings > Security > TLS Profiles