User's Manual  8  Document #: LTRT-10632 
 
  Mediant 800B Gateway & E-SBC 
15.7.4.1  Configuring HTTP Proxy Hosts ............................................................. 303 
15.7.5  Configuring an HTTP-based EMS Service ............................................................305 
15.8  E9-1-1 Support for Microsoft Skype for Business ................................................ 307 
15.8.1  About E9-1-1 Services ...........................................................................................307 
15.8.2  Microsoft Skype for Business and E9-1-1 .............................................................308 
15.8.2.1  Gathering Location Information of Skype for Business Clients for 911 
Calls  308
 
15.8.2.2  Adding ELINs to the Location Information Server ................................. 310 
15.8.2.3  Passing Location Information to the PSTN Emergency Provider ......... 311 
15.8.3  AudioCodes ELIN Device for Skype for Business E9-1-1 Calls to PSTN .............312 
15.8.3.1  Detecting and Handling E9-1-1 Calls .................................................... 312 
15.8.3.2  Pre-empting Existing Calls for E9-1-1 Calls .......................................... 314 
15.8.3.3  PSAP Callback to Skype for Business Clients for Dropped E9-1-1 Calls
  315
 
15.8.3.4  Selecting ELIN for Multiple Calls within Same ERL .............................. 315 
15.8.3.5  Location Based Emergency Routing ..................................................... 316 
15.8.4  Configuring AudioCodes ELIN Device ...................................................................316 
15.8.4.1  Enabling the E9-1-1 Feature ................................................................. 316 
15.8.4.2  Configuring the E9-1-1 Callback Timeout ............................................. 317 
15.8.4.3  Configuring the SIP Release Cause Code for Failed E9-1-1 Calls ....... 317 
15.8.4.4  Configuring SBC IP-to-IP Routing Rule for E9-1-1 ............................... 317 
15.8.4.5  Configuring Location-Based Emergency Routing ................................. 318 
15.8.4.6  Viewing the ELIN Table ......................................................................... 320 
15.9  Microsoft Skype for Business Presence of Third-Party Endpoints ....................... 320 
15.9.1  Configuring Skype for Business Server for Presence ...........................................322 
15.9.2  Configuring the Device for Skype for Business Presence .....................................323 
16  Quality of Experience ...................................................................................... 325 
16.1  Reporting Voice Quality of Experience to SEM .................................................... 325 
16.1.1  Configuring the SEM Server ..................................................................................325 
16.1.2  Configuring Clock Synchronization between Device and SEM .............................326 
16.1.3  Enabling RTCP XR Reporting to SEM ..................................................................326 
16.2  Configuring Quality of Experience Profiles ........................................................... 327 
16.3  Configuring Bandwidth Profiles ............................................................................ 332 
16.4  Configuring Quality of Service Rules ................................................................... 335 
17  Control Network .............................................................................................. 339 
17.1  Configuring Media Realms ................................................................................... 339 
17.1.1  Configuring Remote Media Subnets ......................................................................342 
17.1.2  Configuring Media Realm Extensions ...................................................................345 
17.2  Configuring SRDs ................................................................................................ 347 
17.2.1  Filtering Tables in Web Interface by SRD .............................................................353 
17.2.2  Multiple SRDs for Multi-tenant Deployments .........................................................353 
17.2.3  Cloning SRDs ........................................................................................................355 
17.2.4  Color-Coding of SRDs in Web Interface ................................................................356 
17.2.5  Automatic Configuration based on SRD ................................................................357 
17.3  Configuring SIP Interfaces ................................................................................... 357 
17.4  Configuring IP Groups .......................................................................................... 365 
17.5  Configuring Proxy Sets ........................................................................................ 380 
17.6  Building and Viewing SIP Entities in Topology View ............................................ 389 
18  SIP Definitions ................................................................................................. 395 
18.1  Configuring Registration Accounts ....................................................................... 395 
18.1.1  Regular Registration Mode ....................................................................................400