Specifications

PA-001011-03-04 Aastra July 2014
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Internet
LAN
Web Server
Public Web
Server
HTTP
HTTP
Call Processing
Aastra
SIP Phone
Figure 5: Access to an Internet application
2.4.3 Telephony applications
The following figure details the architecture of an XML application that would provide more
telephony features at the phone level.
The application could for instance
 show the list of the parked calls and perform a pick-up,
 activate the Call forward or the DND on the server side
 control a conference from the phone
 login/logout from a call center, access to the voice mail messages
 …
LAN
Web Server
HTTP(s)
Any
protocol
SIP Softswitch
HTTP(s)
LDAP
ODBC
…
Voice Mail
Conference Bridge
Call Center
Aastra
SIP Phone
Figure 6: Access to a telephony application
2.5 Development environment
2.5.1 Typical software architecture
The following diagram details the typical architecture of an XML application.