Hi theremy router telephony server support this phone. however, i am having an issue that the phone does not get ip. I am not sure about the phone itself but I see it power up when i plug it to the switch.I have configure the interface as access 191 ...

Hi there I am trying to achive a setup where we can use ip phones. I have 4500 core switch and dhcp in it.I set up the voice vlan and option 150 The core does not have telephony-service. however, i have 2811 router not being used. Is it possible to u...

Hi thereI have a vpn connection to connect a customer site to a servers. the site does not have a dns server. the core switch has the dhcp configued.i have configured the following:x.x.x.com 192.x.x.17ip host x.x.com 192.x.x.18ip host x.x.com 192.x.x...

Hi thereI have 2 isp connecting separately to a core switch. i can ping both isp from the switch, however, LAN can not ping the backup link. The core switch is connected to an L3 switch which can't ping the backup link. Both switches are exchanging I...