这是我们其中一台路由器的配置。谁能给个概述？

我相信它的 VOIP。

我们准备用非Cisco防火墙替换这个路由器，内网的VOIP会不会有问题？如果是的话，我可以知道以什么方式。

application
service new-call flash:bootstrap.vxml
paramspace english index 0
paramspace english language en
paramspace english location flash
paramspace english prefix en
!
service cvp-survivability flash:survivability.tcl
paramspace english index 0
paramspace english language en
paramspace english location flash
paramspace english prefix en
!
service CVPSelfService flash:CVPSelfServiceBootstrap.vxml
!
service app_transfer flash:CVPSelfService.tcl
param CVPBackupVXMLServer <private IP address of another location>
paramspace english language en
paramspace english index 0
paramspace english location flash
param CVPSelfService-port 7000
param CVPSelfService-app HelloWorld
paramspace english prefix en
param CVPPrimaryVXMLServer <private IP address of another location>
!
service ringtone flash:ringtone.tcl
paramspace english language en
paramspace english index 0
paramspace english location flash
paramspace english prefix en
!
service cvperror flash:cvperror.tcl
paramspace english language en
paramspace english index 0
paramspace english location flash
paramspace english prefix en
!
service handoff flash:handoff.tcl
paramspace english language en
paramspace english index 0
paramspace english location flash
paramspace english prefix en