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Content 

Introduction ............................................................................................................... 3

 

H.248 Signaling Procedures ..................................................................................... 11

 

VOP1372G-61 ........................................................................................................... 17

 

H.248 application ..................................................................................................... 29

 

Debug guide ............................................................................................................. 37

 

 
 
 

 

Summary of Contents for VOP1372G-61

Page 1: ...1 VOP1372G 61 Support Notes December 2011 Edition 1 0...

Page 2: ...2 Content Introduction 3 H 248 Signaling Procedures 11 VOP1372G 61 17 H 248 application 29 Debug guide 37...

Page 3: ...rs Media Gateway is a network element which packetizes voice traffic from POTS signals to IP packets and performs critical voice network features such as echo cancellation silence detection and suppre...

Page 4: ...lave clients that behave as simple switches One MGC can serve multiple MGs Network Diagram H 248 protocol enables the creation modification and deletion of media streams across a media gateway includi...

Page 5: ...commands Terminations have unique identities TerminationIDs assigned by the MG at the time of their creation There are two types of terminations semi permanent terminations and ephemeral terminations...

Page 6: ...ns Terminations that are not associated to any other Termination Contexts are identified by a Context_Id which is assigned by the MG and is unique within the MG H 248 Message Structure A message is an...

Page 7: ...nRequest is invoked by the sender There is one Transaction per request invocation A request contains one or more Actions each of which specifies its target Context and one or more Commands per Context...

Page 8: ...te The structure of Transaction Pending is as follows TransactionPending TransactionID The TransactionID parameter must be the same as that of the corresponding TransactionRequest Actions Actions are...

Page 9: ...command is also used to delete a context when the last termination is removed from the context Move To atomically move a Termination to another Context AuditValue The AuditValue command returns the cu...

Page 10: ...tems Some items may have values Many commands share common descriptors Descriptors may be returned as output from a command In any such return of descriptor contents an empty descriptor is represented...

Page 11: ...time graduation into account The example is about a call set up between two residential gateways User A and User B are respectively connected to two residential gateways RGW1 and RGW2 and the gateways...

Page 12: ...12 Call Setup Process Call setup process...

Page 13: ...s and the media domain port number of the ephemeral termination are not specified RGW1 creates a context whose ID is 1 The physical termination Term A is added in the context Meanwhile an ephemeral te...

Page 14: ...14 10 The users can have a conversation Once the call is terminated by either party the other party will hear busy tone...

Page 15: ...nd 2 MGC generates a Modify command indicating to RGW2 to play busy tone to User B The mode of both terminations is set to RecvOnly RGW2 returns a response indicating the success of the operation 3 MG...

Page 16: ...elete Term B and EphB from the context 2 RGW2 also deletes the terminations from the context 2 and then returns a response in which the statistics information of the ephemeral termination is contained...

Page 17: ...terface can co exists with deployed ADSL or VDSL service in the same paired copper wire without disturbing each other Parameters The VOP1372G 61 line card is different from other xDSL series line card...

Page 18: ...rs to select H 248 profile that media gateway is going to use DSP profile In this configuration operator can define what CODEC to use how much the play buffer and echo cancellation period 1 Currently...

Page 19: ...unt on to the unit MSC1024GB profile voip h248 set usage set profile mgc ip mgc dn mgcport mgc port mgc2 off on mgc2 ip mgc2 dn mgc2port mgc2 port transport udp tcp encode long short pbit pbit dscp ds...

Page 20: ...n prefix up to 31 characters start num ephemeral termination suffix start number up to 15 digits suffix len ephemeral termination suffix number length padding zero at the front if not long enough rang...

Page 21: ...rough local phones can call each other without setup tel number when MG is disconnected with MGC With the account information your ITSP provider provided now you may start Step 1 Open the telnet sessi...

Page 22: ...term49 1 port h248 termination 5 term97 1 profile vo h248 set test 192 168 168 32 voip h248 interface mg set 16 MG1 test voip h248 interface mg en 16 In order to achieve the scenario above we need to...

Page 23: ...er 3 192 168 1 62 192 168 1 65 vo h248 master 5 192 168 1 62 192 168 1 65 Step 7 Create test profile set profile connecting MGC and enable interface 16 profile vo h248 set test 192 168 168 32 create t...

Page 24: ...spect the smaller amount of bandwidth used the better But in voice aspect the higher quality the better VoIP line card supports the following commonly used CODEC G711a G711mu G723 G726 16 G726 24 G726...

Page 25: ...address of the DSLAM The default management IP of DSLAM is 192 168 0 1 Step 2 Enter the administrator password appear on the page of login and click on login The default is username admin password 12...

Page 26: ...26 MSC1024GB profile voip dsp set dspprofile1 codec g726 40 g726 32 g726 16 playbuffer 30 90 echotail 40...

Page 27: ...e line s isolation resistance only Cap test the line s capacitance only Ren test the line s ringer equivalent only Ring test the line s metering voltage only Dialtone test the dialtone only Digit test...

Page 28: ...F cRG 0 0001 uF cTR 0 0004 uF Ringer Equivalence Number Test Results ren NOT MEASURED Ringing Voltag Test Results vRing 53 9 Vrms No Metering Voltage Test Results No Draw and Break Dial Tone Test Resu...

Page 29: ...P we will use two methods web GUI and CLI command to configure this H 248 application The 1st method CLI command There is one VOP card in Slot 5 in IES5106 under this application VOP card under Slot 5...

Page 30: ...under the whole DSLAM Step 2 configure one H 248 server which is used to communicate with MG by H 248 profile voip h248 set MEGACO 172 25 27 60 set one H 248 server named MEGACO with IP 172 25 27 60 S...

Page 31: ...ag So please also note the voip route setting voip route Please make sure you can ping to MGC under VOP card voip h248 master 5 172 25 27 117 0 0 0 0 5 means slot 5 line card 5 VOP card voip h248 inte...

Page 32: ...method WEB GUI Step 1 IP setting on each line cards This IP is configured for communication between SC and MC cards And 500 means VLAN500 Please also pay more attention on DNS setting Switch isolatio...

Page 33: ...33 Step 2 configure one H 248 server which is used to communicate with MG by H 248 Set one H 248 server named MEGACO with IP 172 25 27 60...

Page 34: ...34 Step 3 Choose the Line card mode in one MG IES5106 Step 4 Under this application there is only one interface named interface 1 where it includes one SC card slot 5...

Page 35: ...35 Configure interface 1 Please also note how does this Voip interface route you can configure the route in the following page...

Page 36: ...able all ports in slot 5 and configure termination under each port port h248 term 5 term1 1 The command port h248 term 5 term1 1 will set all ports on slot 5 with termination ID start from term1 to te...

Page 37: ...der DSLAM please enable the DSP Codec SLIC trace flag in console window Login to VOP1372G 61 card MSC lcman login slot VOP vp ch trace 4 VOP dsp spy option 3 VOP dsp spy rtime 1 2 Start to capture the...

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