Have UC520 and use SIP trunk to ITSP for PSTN connection.Both inbound and outbound call works fine.Have issue with hairpin issue, when the PSTN user call the inbound DID via SIP trunking,  IP phone extension could take the call and  transfer to other...

After setup EZVPN for UC500, the vpn client could get IP address from pool. following is the setupUC520 internal Interface 10.1.1.1/24define Ip address pool for VPN client as 10.1.1.200 to 10.1.1.210client connect to UC520 successfully, and acquire I...

I have UC520 the conference between three IP phones was working, but now stop working, this might caused by adding extra feature configuration into phone, but not sure what cause this conference stop working.Double check the DSP registration, all see...

This is my setup:1. Cisco Automuous AP - 1131AG-A-K9figure with 3 VLANs and 3 SSIDs, one SSID for each VLAN.2. Running code version: c1130-k9w7-mx.124-10b.JDA33. first SSID - faculty-1,VLAN201 , confiure with Cipers TKIP and WPA, and passphrase.4. Se...