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Interoperability
Q 3. Can I use Push-To-Talk and VoIP applications
on my phone?
Some Voice over IP (VoIP) applications and
Push-To-Talk (PTT) use SIP protocol. Because the firewall of F-Security
Mobile Security Series 60 does not support the SIP protocol, depending
on the configuration these applications may not work correctly unless
the firewall is set to "Allow all traffic" profile.
To set the firewall profile, select F-Secure -> Options ->
Settings -> Firewall.
Note: This applies only to Series 60 phones using Symbian OS v9 or
newer (3rd
edition).
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