Re: An issue about encoder for MEGACO

Hi Ashish:

   Thanks a lot. 

I saw that ITU H.248 V1 has not defined some rules.  Would you tell me which document define the rule? I think it is reasonable, however, I am working for a MEGACO decoder, I need get more information about the case. 

Thanks again

George 

 

 

________________________________

From: Ashish Singh [mailto:[email protected]] 
Sent: 2008年4月15日 15:04
To: George Quan
Cc: [email protected]
Subject: Re: [Megaco] An issue about encoder for MEGACO

 

George,

As per ABNF grammar, 1 or more of ((transactionRequest / transactionReply / transactionPending / transactionResponseAck / 

segmentReply) are allowed in a message. Here Stack has encoded 1 TransactionReply and 1 TransactionResponseAck in a H.248 message. This TransactionResponseAck is for any previous transaction (with id 1) sent by this entity. 

 

I think this should be fine as per H.248 encoding rules.

Thanks
Ashish

Redback Networks Inc.
San Jose, CA

George Quan wrote: 

Hi all:

  I found the following encoder in some vendor. I am not sure whether it is right or not. Please help me. 

=====================================

MEGACO/1 [10.136.1.95]:2944 

 Reply=186002{Context=-{Modify=ROOT}}

 TransactionResponseAck{1}

==========================================

 

In the packet, Both TransactionRequest and TransactionResponseAck are embedded in one message, is it right? 

I look into ITU H.248.1 V3, it seems that it don't allow encoding. 

Pls give me some guide.

 

BTW: the following is defined in P98, ITU H.248.1 V3.

 

transactionList = 1*(transactionRequest / transactionReply /

transactionPending / transactionResponseAck /

segmentReply) 

 

thanks 

George

 

 Best Regard

-------------------------------------------

Juniper Network CN R&D Co. Ltd.

George Quan 

Tel: 8610-5874-7167

Location: 7.1.301  

 



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