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Implementation, Optipoint 410/420 sip telephone settings – Siemens HIPATH 8000 User Manual

Page 104

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Extended Administration

104

Additional feature: continuous connection verification

This mechanism is used to check whether there is still a TLS connection,

also then when the phone is not in use. If it determines that the original

server is not reachable, the phone can switch to a redundant server (if e.g.

DNS-SRV is used). This reduces longer waiting times for the user if the

phone would have to first register with the redundant server for the next

call and the call is then set up.

Implementation

optiPoint 410/420 SIP telephone settings

The following settings must be performed on the telephones for which

voice encryption is to be enabled:

• Set payload security to allowed (Æ page 144)

• Set connectivity check interval as required (Æ page 144)

– (0, when deactivated; 10-3600 = duration of verification in seconds;

1-9 = 10; >3600 = 3600)

• Set SIP server validation as required (Æ page 144)

• Set SIP transport to TLS (Æ page 115)

• Set SIP port to 5061 (Æ page 115)

The same settings can also be performed using the telephone menu. In

the case of web settings, references to the corresponding locations are

provided.

TLS verified

TLS verified