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Showing articles from Juniper Firewall tag

Dropped calls when using a Juniper firewall

Calls can be dropped about 30s or 15m into a call across our Juniper firewall. This is due to the ALG (application layer gateway) service for SIP not handling packets properly. When we send a SIP re-invite, the remote VoIP gateway responds with the proper 200/OK; however, the Juniper firewall drops the 200 response a…

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