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Managed IP Phones Administrator Guide
Registration Group Configuration for TLS/STRP and/or Switchover
The following describes registration group configuration for Polycom, SIP Soft phones, Interaction SIP Station, AudioCodes phones, and Genesys phones in environments implementing TLS/STRTP and/or Switchover. TLS/STRTP support for Interaction SIP Station I and II, AudioCodes phones, and Genesys phones is available in CIC 2016 R4 and later.
Security settings
If you plan to use TLS/STRP:
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Ensure that the Audio Protocol is set to SRTP for the managed IP phone.
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Use the <Default Secure Registration Group> instead of the <Default Registration Group>.
Switchover settings (TLS/SRTP)
If you are configuring a Switchover environment and are using TLS/SRTP, modify the following for the <Default Registration Group> or <Default Secure Registration Group>:
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In the Registration Group Configuration dialog box, click Edit and then click Obtain registration settings automatically using DNS SRV. This option obtains registration settings from the DNS SRV records that you created when you configured the network the phone. Ensure that you select the appropriate Transport Protocol for this registration group.
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If your Switchover environment requires remote survivability (for example, a remote office using a SIP Proxy), click Add… in the Registration Group Configuration dialog box to add another registration to the <Default Registration Group>. In the Add Registration dialog box, click Obtain registrations settings automatically from this proxy. Ensure that you select the appropriate Transport Protocol for this registration group.
Interaction SIP Station I and II, AudioCodes, and Genesys phone support for DNS SRV
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Interaction SIP Station I supports DNS SRV in CIC 4.0 SU 4 to SU 6 and CIC 2015 R1 and later, which contains v.1.2.2._p10_build_17 or later firmware.
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Interaction SIP Station I and II support DNS SRV in CIC 2015 R2 and later which contains v.2.0.4.15.7 or later firmware.
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AudioCodes and Genesys phones support DNS SRV in CIC 4.0 SU 6 and CIC 2015 R1 and later, which contains v2.2.277.2.3 or later firmware.
Note:
Interaction SIP Station I and II, AudioCodes, and Genesys phones support only a single registration entry: either DNS SRV or a stations line.
Limitations
Interaction SIP Station I and II, AudioCodes, and Genesys phones have the following registration group configuration limitations:
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Interaction SIP Station I and II, AudioCodes, and Genesys phones do not support multiple entries (registrations) in a registration group.
Note:
Starting with CIC 2016 R1, firmware updates with a version of 2.2.2.77 or higher for Interaction SIP Station I and II remove the constraint of registering the phone with a single server.
Switchover settings (SIP Station I and II, AudioCodes, or Genesys phones)
Switchover environments that use only Interaction SIP Station I and II, AudioCodes, or Genesys phones do not need to modify the <Default Registration Group>.
However, if the Switchover environment includes Interaction SIP Station I and II, AudioCodes, Genesys, Polycom, or SIP Soft phones, follow this example to create separate registration groups specifically for the Interaction SIP Station I and II, AudioCodes, and/or Genesys phones.
To create separate registration groups
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In Managed IP Phones > Registration Groups, create a new Regular registration group for the Interaction SIP Stations.
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In the Registration Group Configuration dialog box, click Add
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In the Add Registration dialog box, click either obtain registration settings automatically from this line to obtain registration settings from the <Stations-UDP> line or obtain registration settings automatically using DNS SRV.


