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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"socket.timeout: timed out after Waiting for PDU...","articleBody":"Hi. I have problem (use python 3.7), with socket.timeout: \r\n\r\n```\r\nINFO:smpplib.client:Connecting to my-domain.com:7779...\r\nDEBUG:smpplib.client:Receiver mode\r\nDEBUG:smpplib.client:Sending bind_transceiver PDU\r\nDEBUG:smpplib.client:\u003e\u003eb'00000026000000090000000000000001676f6970736d730076396e3862364247000034000000' (38 bytes)\r\nDEBUG:smpplib.client:Waiting for PDU...\r\nTraceback (most recent call last):\r\n  File \"/Users/spinoza/Git/_my/telegram-sms-bot/venv/lib/python3.7/site-packages/smpplib/client.py\", line 135, in _bind\r\n    resp = self.read_pdu()\r\n  File \"/Users/spinoza/Git/_my/telegram-sms-bot/venv/lib/python3.7/site-packages/smpplib/client.py\", line 205, in read_pdu\r\n    raw_len = self._socket.recv(4)\r\nsocket.timeout: timed out\r\n\r\nDuring handling of the above exception, another exception occurred:\r\n\r\nTraceback (most recent call last):\r\n  File \"/Users/spinoza/Git/_my/telegram-sms-bot/smsbot.py\", line 23, in \u003cmodule\u003e\r\n    client.bind_transceiver(system_id='xxxxxxxxx', password='xxxxxxxxxxx')\r\n  File \"/Users/spinoza/Git/_my/telegram-sms-bot/venv/lib/python3.7/site-packages/smpplib/client.py\", line 157, in bind_transceiver\r\n    return self._bind('bind_transceiver', **kwargs)\r\n  File \"/Users/spinoza/Git/_my/telegram-sms-bot/venv/lib/python3.7/site-packages/smpplib/client.py\", line 137, in _bind\r\n    raise exceptions.ConnectionError()\r\nsmpplib.exceptions.ConnectionError\r\nWARNING:smpplib.client:\u003csmpplib.client.Client object at 0x1106086d0\u003e was not closed\r\n\r\nProcess finished with exit code 1\r\n```\r\n\r\nI use SMPP in GoIP4 GSM gate. \r\n\r\nWhat could be the problem?\r\n\r\nThanks. \r\n","author":{"url":"https://github.com/SergeSpinoza","@type":"Person","name":"SergeSpinoza"},"datePublished":"2019-12-20T10:39:44.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":2},"url":"https://github.com/106/python-smpplib/issues/106"}