Expressway Telephone Attempters System Based on SIP Protocol

doi:10.3963/j.issn.1674-4861.2008.05.031

Issue 5

Oct. 2008

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Article Navigation > Journal of Transport Information and Safety > 2008 > 26(5): 123-126

Expressway Telephone Attempters System Based on SIP Protocol[J]. Journal of Transport Information and Safety, 2008, 26(5): 123-126. doi: 10.3963/j.issn.1674-4861.2008.05.031

Citation:

Expressway Telephone Attempters System Based on SIP Protocol[J]. Journal of Transport Information and Safety, 2008, 26(5): 123-126. doi: 10.3963/j.issn.1674-4861.2008.05.031

Expressway Telephone Attempters System Based on SIP Protocol[J]. Journal of Transport Information and Safety, 2008, 26(5): 123-126. doi: 10.3963/j.issn.1674-4861.2008.05.031

Citation:

Expressway Telephone Attempters System Based on SIP Protocol[J]. Journal of Transport Information and Safety, 2008, 26(5): 123-126. doi: 10.3963/j.issn.1674-4861.2008.05.031

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