I'm a quiet person. I just recently started a new job and I feel like the oddball. I'm just not a social butterfly. Sometimes I feel like I don't fit in the group. I feel I get less respect at work. I'm a talker with my DH or close friends, but with people I don't know, I just listen. Just curious to hear from those who are talkers and definitely those who are quiet. I wish I was more of an extrovert who could just strike up conversations with anyone
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My problem is speaking up in front of people who don't know me well. It helps to remind myself that this is my JOB and it is what I am getting paid for. If I have an idea it is my obligation to get that idea heard and taken seriously. Once I've worked with people for a while, it gets much easier because they realize I DO know what I'm talking about and I'm not so nervous about how I come across. And then, the social ease kind of flows naturally from there.
There are people that are quiet that I have immense respect for, it's a whole package thing for me. 
I haven't had many problems with respect though.