I wonder how SIP via TCP is supposed to work. Not realy Asterisk related, but I hope you experts might be able to help out 🙂 One of our customers has a SIP device registering via a complex NAT. To benefit from TCP Connection Tracking, he choose ..
Author : Benoit Panizzon
Home » Articles posted by Benoit Panizzon (paged 3)
Gang Server, two interfaces, routing to two different networks. Two transports defined, each bound to the corresponding ip assigned to the interface. But still, especially when an 183 message is sent, the Contact header does contain the wrong IP Addre..
Gang According to: https://wiki.asterisk.org/wiki/display/AST/Asterisk+13+Configuration_res_pjsip#Asterisk12Configuration_res_pjsip-endpoint_device_state_busy_at And endpoint should return busy if this number is reached. We have PBX Trunks register..
Gang I offer: g722 g711a g711a is mandatory. g722 is becoming more and more popular. Now if a call originates from a device which support g722 and ends on a device which does not. I see that asterisk is transcoding between g722 and g711a despite b..
Team Im still struggling to get privacy settings passed on correctly. The Asterisk is sitting between customers and IC trunks. On the customer face, of course I have those settings: trust_id_inbound=yes trust_id_outbound=no This ensures that presentat..
Gang Next Problem which occurs. In Switzerland this is the common using form SIP Signaling: P-Asserted-Identity: Contains the provider provided and screened phone number which is the legal origin of the call. The origin which is to be billed for ..
One more Problem I stumbled upon. Using Asterisk in a TSP environement. Incomming IC Calls are e164 and have a NPRN (Routing Number) prefixed. Example: +4198055615995555 +41 country prefix 98055 Routing Prefix 615995555 effective phone number Calls rou..
Gang Yes, big project on the rise to do things better / more flexible than our existing commercial TSP switch. During call screening process, we would like to allow customers to send the original callingID in a attended call diversion scenario. F..
Gang To increase security against phished passwords and similar attacks, we consider offering customers to define IP ranges (or GeoIP locations) from which their dynamic registrations are being accepted. I can already look at the source IP in the d..
Implementing screening and routing I have stumbled over this issue: [pbx-router] exten => s,1,NoOp(ROUTER FROM: ${CALLERID(Number)}TO: ${DESTINATION}) same => n,Set(SOURCE=${CHANNEL(name)}) same => n,Set(PAI=${PJSIP_HEADER(read,P-Asserted-Identity..