When troubleshootig CUCM 8.X with my clients the backup issue is usually the path setting on the CUCM. Are you usnig the ./ in the beginning of the path name?
I believe you are looking for the ICMP command. This command let's you specify which host or networks are allowed to ping the ASA box.Sent from Cisco Technical Support iPhone App
It appears that if you just want the Vlan 50 ip address to route to the firewall you just need to put int f0/9 in Vlan 50. Vlan 50 already has an ip address on your switch so putting f0/9 in Vlan 50 will enable that subnet to talk to the firewall if ...
I'm not sure if there is an APP, but there is a Cisco VPn cofnguraiton setup for the iPhone under Sertings > General > Network > VPN. I have never set it up with a PIX so you will need to search online or find someone else to help you.