Algo 8180 User Manual page 18

Important: To verify the server you must 'Enable' the 'Validate Server Certificate'
option. This then checks if the certificate that is provided by the server is signed by
any of the CAs included in the list of trusted CAs (used by the Debian infrastructure
and Mozilla browsers). If we receive a certificate signed by any of these CAs, then
that server will be trusted. Certificates can also be manually uploaded using the
'File Manager'.
The 'Validate Server Certificate' parameter can also be enabled through provisioning:
prov.download.cert = 1
SIP Signaling
SIP Signaling is secured by setting 'SIP Transportation' to 'TLS' (under the Advanced
Settings >Advanced SIP tab)
Setting 'SIP Transportation' from 'Auto' (default) to 'TLS', ensures the encryption of SIP
traffic. Setting 'SDP SRTP Offer' to 'Standard' or 'Optional', means the SIP call's RTP data
will be left unencrypted if the other party does not support SRTP. Setting 'SDP SRTP
Offer' to 'Standard', encrypts RTP voice data, meaning the normal audio RTP packets will
now be secure (SRTP). This means SIP calls will be rejected if other party does not
Document 90-00095A
01/24/2019
Page 18
Algo Communication Products Ltd
4500 Beedie St Burnaby BC Canada V5J 5L2
www.algosolutions.com
8180 SIP Audio Alerter (G2) FW 1.7
(604) 454-3792
support@algosolutions.com