Hi, everyone, I need to deploy dual line phones in vg224. which fxs port register CM8.5 with sccp. The dual lines phone work under one dn number. share line way. configured
the dual phone work fine with separate line, but when hold line1 during the calling, press the line2 and get no response(no dial tone), and if use line2 to make call and hold , the line1 will have dial tone, also can make or get a call.
any replies will be very appreciated.